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Relying Party signature certificate is rarely used indeed. Signing the SAML request ensures no one modifies the request. COM wants to access an expense note application ClaimsWeb. COM purchasing a license for the ClaimsWeb application. Relying party trust:. Now that we have covered the terminology with the entities that will play the role of the IdP or IP, and RP, we want to make it perfectly clear in our mind and go through the flow one more time. Step : Present Credentials to the Identity Provider.

The URL provides the application with a hint about the customer that is requesting access. Assuming that John uses a computer that is already a part of the domain and in the corporate network, he will already have valid network credentials that can be presented to CONTOSO. These claims are for instance the Username, Group Membership and other attributes. Step : Map the Claims.

The claims are transformed into something that ClaimsWeb Application understands. We have now to understand how the Identity Provider and the Resource Provider can trust each other.

When you configure a claims provider trust or relying party trust in your organization with claim rules, the claim rule set s for that trust act as a gatekeeper for incoming claims by invoking the claims engine to apply the necessary logic in the claim rules to determine whether to issue any claims and which claims to issue.

The Claim Pipeline represents the path that claims must follow before they can be issued. The Relying Party trust provides the configuration that is used to create claims. Once the claim is created, it can be presented to another Active Directory Federation Service or claim aware application. Claim provider trust determines what happens to the claims when it arrives. COM IdP. COM Resource Provider. Properties of a Trust Relationship. This policy information is pulled on a regular interval which is called trust monitoring.

Trust monitoring can be disabled and the pulling interval can be modified. Signature — This is the verification certificate for a Relying Party used to verify the digital signature for incoming requests from this Relying Party. Otherwise, you will see the Claim Type of the offered claims. Each federation server uses a token-signing certificate to digitally sign all security tokens that it produces.

This helps prevent attackers from forging or modifying security tokens to gain unauthorized access to resources. When we want to digitally sign tokens, we will always use the private portion of our token signing certificate. When a partner or application wants to validate the signature, they will have to use the public portion of our signing certificate to do so. Then we have the Token Decryption Certificate.

Encryption of tokens is strongly recommended to increase security and protection against potential man-in-the-middle MITM attacks that might be tried against your AD FS deployment. Use of encryption might have a slight impact on throughout but in general, it should not be usually noticed and in many deployments the benefits for greater security exceed any cost in terms of server performance.

Encrypting claims means that only the relying party, in possession of the private key would be able to read the claims in the token. This requires availability of the token encrypting public key, and configuration of the encryption certificate on the Claims Provider Trust same concept is applicable at the Relying Party Trust. By default, these certificates are valid for one year from their creation and around the one-year mark, they will renew themselves automatically via the Auto Certificate Rollover feature in ADFS if you have this option enabled.

This tab governs how AD FS manages the updating of this claims provider trust. You can see that the Monitor claims provider check box is checked. ADFS starts the trust monitoring cycle every 24 hours minutes. This endpoint is enabled and enabled for proxy by default.

The FederationMetadata. Once the federation trust is created between partners, the Federation Service holds the Federation Metadata endpoint as a property of its partners, and uses the endpoint to periodically check for updates from the partner. For example, if an Identity Provider gets a new token-signing certificate, the public key portion of that certificate is published as part of its Federation Metadata.

All Relying Parties who partner with this IdP will automatically be able to validate the digital signature on tokens issued by the IdP because the RP has refreshed the Federation Metadata via the endpoint. The Federation Metadata. XML publishes information such as the public key portion of a token signing certificate and the public key of the Encryption Certificate. What we can do is creating a schedule process which:.

You can create the source with the following line as an Administrator of the server:. Signing Certificate. Encryption Certificate. As part of my Mix and Match series , we went through concepts and terminologies of the Identity metasystem, understood how all the moving parts operates across organizational boundaries.

We discussed the certificates involvement in AD FS and how I can use PowerShell to create a custom monitor workload and a proper logging which can trigger further automation.

I hope you have enjoyed and that this can help you if you land on this page. Hi everyone, Robert Smith here to talk to you today a bit about crash dump configurations and options.

With the wide-spread adoption of virtualization, large database servers, and other systems that may have a large amount or RAM, pre-configuring the systems for the optimal capturing of debugging information can be vital in debugging and other efforts. Ideally a stop error or system hang never happens. But in the event something happens, having the system configured optimally the first time can reduce time to root cause determination.

The information in this article applies the same to physical or virtual computing devices. You can apply this information to a Hyper-V host, or to a Hyper-V guest. You can apply this information to a Windows operating system running as a guest in a third-party hypervisor. If you have never gone through this process, or have never reviewed the knowledge base article on configuring your machine for a kernel or complete memory dump , I highly suggest going through the article along with this blog.

When a windows system encounters an unexpected situation that could lead to data corruption, the Windows kernel will implement code called KeBugCheckEx to halt the system and save the contents of memory, to the extent possible, for later debugging analysis.

The problem arises as a result of large memory systems, that are handling large workloads. Even if you have a very large memory device, Windows can save just kernel-mode memory space, which usually results in a reasonably sized memory dump file. But with the advent of bit operating systems, very large virtual and physical address spaces, even just the kernel-mode memory output could result in a very large memory dump file.

When the Windows kernel implements KeBugCheckEx execution of all other running code is halted, then some or all of the contents of physical RAM is copied to the paging file. On the next restart, Windows checks a flag in the paging file that tells Windows that there is debugging information in the paging file.

Please see KB for more information on this hotfix. Herein lies the problem. One of the Recovery options is memory dump file type. There are a number of memory.

For reference, here are the types of memory dump files that can be configured in Recovery options:. Anything larger would be impractical. For one, the memory dump file itself consumes a great deal of disk space, which can be at a premium.

Second, moving the memory dump file from the server to another location, including transferring over a network can take considerable time. The file can be compressed but that also takes free disk space during compression.

The memory dump files usually compress very well, and it is recommended to compress before copying externally or sending to Microsoft for analysis. On systems with more than about 32 GB of RAM, the only feasible memory dump types are kernel, automatic, and active where applicable. Kernel and automatic are the same, the only difference is that Windows can adjust the paging file during a stop condition with the automatic type, which can allow for successfully capturing a memory dump file the first time in many conditions.

A 50 GB or more file is hard to work with due to sheer size, and can be difficult or impossible to examine in debugging tools. In many, or even most cases, the Windows default recovery options are optimal for most debugging scenarios. The purpose of this article is to convey settings that cover the few cases where more than a kernel memory dump is needed the first time.

Nobody wants to hear that they need to reconfigure the computing device, wait for the problem to happen again, then get another memory dump either automatically or through a forced method. The problem comes from the fact that the Windows has two different main areas of memory: user-mode and kernel-mode. User-mode memory is where applications and user-mode services operate.

Kernel-mode is where system services and drivers operate. This explanation is extremely simplistic. More information on user-mode and kernel-mode memory can be found at this location on the Internet:. User mode and kernel mode. What happens if we have a system with a large amount of memory, we encounter or force a crash, examine the resulting memory dump file, and determine we need user-mode address space to continue analysis?

This is the scenario we did not want to encounter. We have to reconfigure the system, reboot, and wait for the abnormal condition to occur again. The secondary problem is we must have sufficient free disk space available.

If we have a secondary local drive, we can redirect the memory dump file to that location, which could solve the second problem. The first one is still having a large enough paging file. If the paging file is not large enough, or the output file location does not have enough disk space, or the process of writing the dump file is interrupted, we will not obtain a good memory dump file. In this case we will not know until we try.

Wait, we already covered this. The trick is that we have to temporarily limit the amount of physical RAM available to Windows. The numbers do not have to be exact multiples of 2. The last condition we have to meet is to ensure the output location has enough free disk space to write out the memory dump file. Once the configurations have been set, restart the system and then either start the issue reproduction efforts, or wait for the abnormal conditions to occur through the normal course of operation.

Note that with reduced RAM, there ability to serve workloads will be greatly reduced. Once the debugging information has been obtained, the previous settings can be reversed to put the system back into normal operation. This is a lot of effort to go through and is certainly not automatic. But in the case where user-mode memory is needed, this could be the only option. Figure 1: System Configuration Tool. Figure 2: Maximum memory boot configuration.

Figure 3: Maximum memory set to 16 GB. With a reduced amount of physical RAM, there may now be sufficient disk space available to capture a complete memory dump file. In the majority of cases, a bugcheck in a virtual machine results in the successful collection of a memory dump file. The common problem with virtual machines is disk space required for a memory dump file. The default Windows configuration Automatic memory dump will result in the best possible memory dump file using the smallest amount of disk space possible.

The main factors preventing successful collection of a memory dump file are paging file size, and disk output space for the resulting memory dump file after the reboot.

These drives may be presented to the VM as a local disk, that can be configured as the destination for a paging file or crashdump file. The problem occurs in case a Windows virtual machine calls KeBugCheckEx , and the location for the Crashdump file is configured to write to a virtual disk hosted on a file share.

Depending on the exact method of disk presentation, the virtual disk may not be available when needed to write to either the paging file, or the location configured to save a crashdump file. It may be necessary to change the crashdump file type to kernel to limit the size of the crashdump file. Either that, or temporarily add a local virtual disk to the VM and then configure that drive to be the dedicated crashdump location.

How to use the DedicatedDumpFile registry value to overcome space limitations on the system drive when capturing a system memory dump. The important point is to ensure that a disk used for paging file, or for a crashdump destination drive, are available at the beginning of the operating system startup process.

Virtual Desktop Infrastructure is a technology that presents a desktop to a computer user, with most of the compute requirements residing in the back-end infrastructure, as opposed to the user requiring a full-featured physical computer. Usually the VDI desktop is accessed via a kiosk device, a web browser, or an older physical computer that may otherwise be unsuitable for day-to-day computing needs. Non-persistent VDI means that any changes to the desktop presented to the user are discarded when the user logs off.

Even writes to the paging file are redirected to the write cache disk. Typically the write cache disk is sized for normal day-to-day computer use. The problem occurs that, in the event of a bugcheck, the paging file may no longer be accessible.

Even if the pagefile is accessible, the location for the memory dump would ultimately be the write cache disk. Even if the pagefile on the write cache disk could save the output of the bugcheck data from memory, that data may be discarded on reboot. Even if not, the write cache drive may not have sufficient free disk space to save the memory dump file. In the event a Windows operating system goes non-responsive, additional steps may need to be taken to capture a memory dump.

Setting a registry value called CrashOnCtrlScroll provides a method to force a kernel bugcheck using a keyboard sequence. This will trigger the bugcheck code, and should result in saving a memory dump file. A restart is required for the registry value to take effect.

This situation may also help in the case of accessing a virtual computer and a right CTRL key is not available. For server-class, and possibly some high-end workstations, there is a method called Non-Maskable Interrupt NMI that can lead to a kernel bugcheck. The NMI method can often be triggered over the network using an interface card with a network connection that allows remote connection to the server over the network, even when the operating system is not running.

In the case of a virtual machine that is non-responsive, and cannot otherwise be restarted, there is a PowerShell method available. This command can be issued to the virtual machine from the Windows hypervisor that is currently running that VM. The big challenge in the cloud computing age is accessing a non-responsive computer that is in a datacenter somewhere, and your only access method is over the network. In the case of a physical server there may be an interface card that has a network connection, that can provide console access over the network.

Other methods such as virtual machines, it can be impossible to connect to a non-responsive virtual machine over the network only. The trick though is to be able to run NotMyFault. If you know that you are going to see a non-responsive state in some amount of reasonable time, an administrator can open an elevated. Some other methods such as starting a scheduled task, or using PSEXEC to start a process remotely probably will not work, because if the system is non-responsive, this usually includes the networking stack.

Hopefully this will help you with your crash dump configurations and collecting the data you need to resolve your issues.

Hello Paul Bergson back again, and I wanted to bring up another security topic. There has been a lot of work by enterprises to protect their infrastructure with patching and server hardening, but one area that is often overlooked when it comes to credential theft and that is legacy protocol retirement. To better understand my point, American football is very fast and violent.

Professional teams spend a lot of money on their quarterbacks. Quarterbacks are often the highest paid player on the team and the one who guides the offense.

There are many legendary offensive linemen who have played the game and during their time of play they dominated the opposing defensive linemen.

Over time though, these legends begin to get injured and slow down do to natural aging. Unfortunately, I see all too often, enterprises running old protocols that have been compromised, with in the wild exploits defined, to attack these weak protocols. TLS 1. The WannaCrypt ransomware attack, worked to infect a first internal endpoint. The initial attack could have started from phishing, drive-by, etc… Once a device was compromised, it used an SMB v1 vulnerability in a worm-like attack to laterally spread internally.

A second round of attacks occurred about 1 month later named Petya, it also worked to infect an internal endpoint. Once it had a compromised device, it expanded its capabilities by not only laterally moving via the SMB vulnerability it had automated credential theft and impersonation to expand on the number devices it could compromise.

This is why it is becoming so important for enterprises to retire old outdated equipment, even if it still works! The above listed services should all be scheduled for retirement since they risk the security integrity of the enterprise. The cost to recover from a malware attack can easily exceed the costs of replacement of old equipment or services. Improvements in computer hardware and software algorithms have made this protocol vulnerable to published attacks for obtaining user credentials.

As with any changes to your environment, it is recommended to test this prior to pushing into production. If there are legacy protocols in use, an enterprise does run the risk of services becoming unavailable. To disable the use of security protocols on a device, changes need to be made within the registry. Once the changes have been made a reboot is necessary for the changes to take effect. The registry settings below are ciphers that can be configured.

Note: Disabling TLS 1. Microsoft highly recommends that this protocol be disabled. KB provides the ability to disable its use, but by itself does not prevent its use.

For complete details see below. The PowerShell command above will provide details on whether or not the protocol has been installed on a device. Ralph Kyttle has written a nice Blog on how to detect, in a large scale, devices that have SMBv1 enabled.

Once you have found devices with the SMBv1 protocol installed, the device should be monitored to see if it is even being used. Open up Event Viewer and review any events that might be listed.

The tool provides client and web server testing. From an enterprise perspective you will have to look at the enabled ciphers on the device via the Registry as shown above.

If it is found that it is enabled, prior to disabling, Event Logs should be inspected so as to possibly not impact current applications. Hello all! Nathan Penn back again with a follow-up to Demystifying Schannel. While finishing up the original post, I realized that having a simpler method to disable the various components of Schannel might be warranted. If you remember that article, I detailed that defining a custom cipher suite list that the system can use can be accomplished and centrally managed easily enough through a group policy administrative template.

However, there is no such administrative template for you to use to disable specific Schannel components in a similar manner. The result being, if you wanted to disable RC4 on multiple systems in an enterprise you needed to manually configure the registry key on each system, push a registry key update via some mechanism, or run a third party application and manage it.

Well, to that end, I felt a solution that would allow for centralized management was a necessity, and since none existed, I created a custom group policy administrative template. The administrative template leverages the same registry components we brought up in the original post, now just providing an intuitive GUI. For starters, the ever-important logging capability that I showcased previously, has been built-in.

So, before anything gets disabled, we can enable the diagnostic logging to review and verify that we are not disabling something that is in use. While many may be eager to start disabling components, I cannot stress the importance of reviewing the diagnostic logging to confirm what workstations, application servers, and domain controllers are using as a first step.

Remember, Schannel protocols, ciphers, hashing algorithms, or key exchanges are enabled and controlled solely through the configured cipher suites by default, so everything is on.

To disable a component, enable the policy and then checkbox the desired component that is to be disabled. Note, that to ensure that there is always an Schannel protocol, cipher, hashing algorithm, and key exchange available to build the full cipher suite, the strongest and most current components of each category was intentionally not added.

Finally, when it comes to practical application and moving forward with these initiatives, start small. I find that workstations is the easiest place to start. Create a new group policy that you can security target to just a few workstations. Enable the logging and then review. Then re-verify that the logs show they are only using TLS. At this point, you are ready to test disabling the other Schannel protocols.

Once disabled, test to ensure the client can communicate out as before, and any client management capability that you have is still operational. If that is the case, then you may want to add a few more workstations to the group policy security target. And only once I am satisfied that everything is working would I schedule to roll out to systems in mass. After workstations, I find that Domain Controllers are the next easy stop. With Domain Controllers, I always want them configured the identically, so feel free to leverage a pre-existing policy that is linked to the Domain Controllers OU and affects them all or create a new one.

The important part here is that I review the diagnostic logging on all the Domain Controllers before proceeding. Lastly, I target application servers grouped by the application, or service they provide. Working through each grouping just as I did with the workstations. Creating a new group policy, targeting a few systems, reviewing those systems, re-configuring applications as necessary, re-verifying, and then making changes.

Both of these options will re-enable the components the next time group policy processes on the system. To leverage the custom administrative template we need to add them to our Policy Definition store. Once added, the configuration options become available under:. Each option includes a detailed description of what can be controlled as well as URLs to additional information.

You can download the custom Schannel ADM files by clicking here! I could try to explain what the krbtgt account is, but here is a short article on the KDC and the krbtgt to take a look at:. Both items of information are also used in tickets to identify the issuing authority. For information about name forms and addressing conventions, see RFC This provides cryptographic isolation between KDCs in different branches, which prevents a compromised RODC from issuing service tickets to resources in other branches or a hub site.

The RODC does not have the krbtgt secret. Thus, when removing a compromised RODC, the domain krbtgt account is not lost. So we asked, what changes have been made recently? In this case, the customer was unsure about what exactly happened, and these events seem to have started out of nowhere. They reported no major changes done for AD in the past 2 months and suspected that this might be an underlying problem for a long time.

This is because an error occurred during the application of the changes to Active Directory Domain Services on the directory service. To reproduce this error in lab we followed the below steps: —. If you have a RODC in your environment, do keep this in mind. Thanks for reading, and hope this helps! Hi there! Windows Defender Antivirus is a built-in antimalware solution that provides security and antimalware management for desktops, portable computers, and servers.

This library of documentation is aimed for enterprise security administrators who are either considering deployment, or have already deployed and are wanting to manage and configure Windows Defender AV on PC endpoints in their network. Nathan Penn and Jason McClure here to cover some PKI basics, techniques to effectively manage certificate stores, and also provide a script we developed to deal with common certificate store issue we have encountered in several enterprise environments certificate truncation due to too many installed certificate authorities.

To get started we need to review some core concepts of how PKI works. Some of these certificates are local and installed on your computer, while some are installed on the remote site. The lock lets us know that the communication between our computer and the remote site is encrypted. But why, and how do we establish that trust? Regardless of the process used by the site to get the certificate, the Certificate Chain, also called the Certification Path, is what establishes the trust relationship between the computer and the remote site and is shown below.

As you can see, the certificate chain is a hierarchal collection of certificates that leads from the certificate the site is using support. To establish the trust relationship between a computer and the remote site, the computer must have the entirety of the certificate chain installed within what is referred to as the local Certificate Store. When this happens, a trust can be established and you get the lock icon shown above.

But, if we are missing certs or they are in the incorrect location we start to see this error:. The primary difference being that certificates loaded into the Computer store become global to all users on the computer, while certificates loaded into the User store are only accessible to the logged on user.

To keep things simple, we will focus solely on the Computer store in this post. Leveraging the Certificates MMC certmgr. This tool also provides us the capability to efficiently review what certificates have been loaded, and if the certificates have been loaded into the correct location. Trusted Root CAs are the certificate authority that establishes the top level of the hierarchy of trust. By definition this means that any certificate that belongs to a Trusted Root CA is generated, or issued, by itself.

Simple stuff, right? We know about remote site certificates, the certificate chain they rely on, the local certificate store, and the difference between Root CAs and Intermediate CAs now.

But what about managing it all? On individual systems that are not domain joined, managing certificates can be easily accomplished through the same local Certificates MMC shown previously.

In addition to being able to view the certificates currently loaded, the console provides the capability to import new, and delete existing certificates that are located within.

Using this approach, we can ensure that all systems in the domain have the same certificates loaded and in the appropriate store. It also provides the ability to add new certificates and remove unnecessary certificates as needed. On several occasions both of us have gone into enterprise environments experiencing authentication oddities, and after a little analysis trace the issue to an Schannel event This list has thus been truncated.

On a small scale, customers that experience certificate bloat issues can leverage the Certificate MMC to deal with the issue on individual systems. Unfortunately, the ability to clear the certificate store on clients and servers on a targeted and massive scale with minimal effort does not exist.

This technique requires the scripter to identify and code in the thumbprint of every certificate that is to be purged on each system also very labor intensive. Only certificates that are being deployed to the machine from Group Policy will remain. The ability to clear the certificate store on clients and servers on a targeted and massive scale with minimal effort.

This is needed to handle certificate bloat issues that can ultimately result in authentication issues. On a small scale, customers that experience certificate bloat issues can leverage the built-in certificate MMC to deal with the issue on a system by system basis as a manual process. CertPurge then leverages the array to delete every subkey.

Prior to performing any operations i. In the event that required certificates are purged, an administrator can import the backup files and restore all purged certificates. NOTE: This is a manual process, so testing prior to implementation on a mass scale is highly recommended. KB details the certificates that are required for the operating system to operate correctly. Removal of the certificates identified in the article may limit functionality of the operating system or may cause the computer to fail.

If a required certificate either one from the KB, or one specific to the customer environment is purged, that is not being deployed via GPO, the recommended approach is as follows.

Restore certificates to an individual machine using the backup registry file,. Leveraging the Certificate MMC, export the required certificates to file,.

Update the GPO that is deploying certificates by importing the required certificates,. Rerun CertPurge on machine identified in step 1 to re-purge all certificates,. Did we mention Test? Also, we now have a method for cleaning things up things in bulk should things get out of control and you need to rebaseline systems in mass. Let us know what you all think, and if there is another area you want us to expand on next.

The sample scripts are not supported under any Microsoft standard support program or service. Download CertPurge. Greetings and salutations fellow Internet travelers! It continues to be a very exciting time in IT and I look forward to chatting with you once more. Azure AD — Identity for the cloud era. An Ambitious Plan. This is information based on my experiences; your mileage may vary.

Save yourself some avoidable heartburn; go read them … ALL of them:. Service accounts. TIP — Make sure you secure, manage and audit this service account, as with any service account. You can see it in the configuration pages of the Synchronization Service Manager tool — screen snip below. Planning on-prem sync filtering. Also, for a pilot or PoC, you can filter only the members of a single AD group. In prod, do it once; do it right. UPNs and email addresses — should they be the same?

In a word, yes. This assumes there is an on-prem UPN suffix in AD that matches the publicly routable domain that your org owns i. AAD Connect — Install and configuration. I basically break this phase up into three sections:.

TIP — Recapping:. TIP — Subsequent delta synchronizations occur approx. Switch Editions? Mark channel Not-Safe-For-Work? Are you the publisher? Claim or contact us about this channel. Viewing all articles. First Page Page 19 Page 20 Page 21 Page 22 Page Last Page. Browse latest View live. Note: Device writeback should be enabled if using conditional access. A Windows 10 version , Android or iOS client. To check that all required ports are open, please try our port check tool.

The connector must have access to all on premises applications that you intend to publish. Install the Application Proxy Connector on an on-premises server. Verify the Application Proxy Connector status. Configure constrained delegation for the App Proxy Connector server. Optional: Enable Token Broker for Windows 10 version clients. Work Folder Native —native apps running on devices, with no credentials, no strong identity of their own.

Work Folder Proxy — Web Application that can have their own credentials, usually run on servers. This is what allows us to expose the internal Work Folders in a secure way. If the user is validated, Azure AD creates a token and sends it to the user.

The user passes the token to Application Proxy. Application Proxy validates the token and retrieves the Username part of user principal name from it, and then sends the request, the Username from UPN, and the Service Principal Name SPN to the Connector through a dually authenticated secure channel. Active Directory sends the Kerberos token for the application to the Connector. The Work Folders server sends the response to the Connector, which is then returned to the Application Proxy service and finally to the user.

Kerberos Survival Guide. I found this on the details page of the new test policy and it is marked as: I then open an administrative PowerShell to run my command in to see exactly what the settings look like in WMI. Topic 2: Purpose of the tool. Topic 3: Requirements of the tool.

Topic 4: How to use the tool. Topic 5: Limitations of the tool. Topic 7: References and recommendations for additional reading. The specific target gaps this tool is focused toward: A simple, easy to utilize tool which can be executed easily by junior staff up to principle staff.

A means by which security staff can see and know the underlying code thereby establishing confidence in its intent.

A lite weight utility which can be moved in the form of a text file. An account with administrator rights on the target machine s. An established file share on the network which is accessible by both. Ok, now to the good stuff.

If you have anything stored in that variable within the same run space as this script, buckle up. Just FYI. The tool is going to validate that the path you provided is available on the network.

However, if the local machine is unable to validate the path, it will give you the option to force the use of the path. Now, once we hit enter here, the tool is going to setup a PowerShell session with the target machine. In the background, there are a few functions its doing:.

Next, we must specify a drive letter to use for mounting the network share from Step 4. The tool, at present, can only target a single computer at a time.

If you need to target multiple machines, you will need to run a separate instance for each. Multiple PowerShell Sessions. I would recommend getting each instance to the point of executing the trace, and then do them all at the same time if you are attempting to coordinate a trace amongst several machines.

Azure Migrate can discover your on-premises VMware-based applications without requiring any changes to your VMware environment. Integrate VMware workloads with Azure services. This valuable resource for IT and business leaders provides a comprehensive look at moving to the cloud, as well as specific guidance on topics like prioritizing app migration, working with stakeholders, and cloud architectural blueprints.

Download now. Azure Interactives Stay current with a constantly growing scope of Azure services and features. Windows Server Why use Storage Replica? Storage Replica offers new disaster recovery and preparedness capabilities in Windows Server Datacenter Edition. For the first time, Windows Server offers the peace of mind of zero data loss, with the ability to synchronously protect data on different racks, floors, buildings, campuses, counties, and cities.

After a disaster strikes, all data will exist elsewhere without any possibility of loss. The same applies before a disaster strikes; Storage Replica offers you the ability to switch workloads to safe locations prior to catastrophes when granted a few moments warning — again, with no data loss. Move away from passwords, deploy Windows Hello. Security Stopping ransomware where it counts: Protecting your data with Controlled folder access Windows Defender Exploit Guard is a new set of host intrusion prevention capabilities included with Windows 10 Fall Creators Update.

Defending against ransomware using system design Many of the risks associated with ransomware and worm malware can be alleviated through systems design. Referring to our now codified list of vulnerabilities, we know that our solution must: Limit the number and value of potential targets that an infected machine can contact.

Limit exposure of reusable credentials that grant administrative authorization to potential victim machines. Prevent infected identities from damaging or destroying data. Limit unnecessary risk exposure to servers housing data. Securing Domain Controllers Against Attack Domain controllers provide the physical storage for the AD DS database, in addition to providing the services and data that allow enterprises to effectively manage their servers, workstations, users, and applications.

If privileged access to a domain controller is obtained by a malicious user, that user can modify, corrupt, or destroy the AD DS database and, by extension, all of the systems and accounts that are managed by Active Directory.

Because domain controllers can read from and write to anything in the AD DS database, compromise of a domain controller means that your Active Directory forest can never be considered trustworthy again unless you are able to recover using a known good backup and to close the gaps that allowed the compromise in the process.

Cybersecurity Reference Strategies Video Explore recommended strategies from Microsoft, built based on lessons learned from protecting our customers, our hyper-scale cloud services, and our own IT environment. Get the details on important trends, critical success criteria, best approaches, and technical capabilities to make these strategies real. How Microsoft protects against identity compromise Video Identity sits at the very center of the enterprise threat detection ecosystem.

Proper identity and access management is critical to protecting an organization, especially in the midst of a digital transformation. This part three of the six-part Securing our Enterprise series where Chief Information Security Officer, Bret Arsenault shares how he and his team are managing identity compromise. November security update release Microsoft on November 14, , released security updates to provide additional protections against malicious attackers.

All Admin capabilities are available in the new Azure portal. Microsoft Premier Support News Application whitelisting is a powerful defense against malware, including ransomware, and has been widely advocated by security experts.

Users are often tricked into running malicious content which allows adversaries to infiltrate their network. The Onboarding Accelerator — Implementation of Application Whitelisting consists of 3 structured phases that will help customers identify locations which are susceptible to malware and implement AppLocker whitelisting policies customized to their environment, increasing their protection against such attacks.

The answer to the question? It depends. You can also use certificates with no Enhanced Key Usage extension. Referring to the methods mentioned in The following information is from this TechNet Article : “In Windows and Windows R2, you connect to the farm name , which as per DNS round robin, gets first directed to the redirector, then to the connection broker, and finally to the server that hosts your session.

Click Remote Desktop Services in the left navigation pane. In the Configure the deployment window, click Certificates. Click Select existing certificates, and then browse to the location where you have a saved certificate generally it’s a. Import the certificate. Cryptographic Protocols A cryptographic protocol is leveraged for security data transport and describes how the algorithms should be used.

TLS has 3 specifications: 1. This is accomplished leveraging the keys created during the handshake. The TLS Handshake Protocol is responsible for the Cipher Suite negotiation between peers, authentication of the server and optionally the client, and the key exchange. SSL also came in 3 varieties: 1. SSL 1.

SSL 2. In SSL 3. Well, that was exhausting! Key Exchanges Just like the name implies, this is the exchange of the keys used in our encrypted communication. Ciphers Ciphers have existed for thousands of years. The denotation of bit, bit, etc. Hashing Algorithms Hashing Algorithms, are fixed sized blocks representing data of arbitrary size. Putting this all together Now that everything is explained; what does this mean?

This eBook was written by developers for developers. It is specifically meant to give you the fundamental knowledge of what Azure is all about, what it offers you and your organization, and how to take advantage of it all. Azure Backup now supports BEK encrypted Azure virtual machines Azure Backup stands firm on the promise of simplicity, security, and reliability by giving customers a smooth and dependable experience across scenarios.

Continuing on the enterprise data-protection promise, we are excited to announce the support for backup and restore of Azure virtual machines encrypted using Bitlocker Encryption Key BEK for managed or unmanaged disks. VMware virtualization on Azure is a bare metal solution that runs the full VMware stack on Azure co-located with other Azure services. Windows Client New Remote Desktop app for macOS available in the App Store Download the next generation application in the App Store today to enjoy the new UI design, improvements in the look and feel of managing your connections, and new functionalities available in a remote session.

Detonating a bad rabbit: Windows Defender Antivirus and layered machine learning defenses Windows Defender Antivirus uses a layered approach to protection: tiers of advanced automation and machine learning models evaluate files in order to reach a verdict on suspected malware. How Azure Security Center detects vulnerabilities using administrative tools Backdoor user accounts are those accounts that are created by an adversary as part of the attack, to be used later in order to gain access to other resources in the network, open new entry points into the network as well as achieve persistency.

Vulnerabilities and Updates December security update release On December 12 we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. It is a proactive, discreet service that involves a global team of highly specialized resources providing remote analysis for a fixed-fee.

This service is, in effect, a proactive approach to identifying emergencies before they occur. And, now that the celebrations are mostly over, I wanted to pick all your brains to learn what you would like to see from us this year… As you all know, on AskPFEPlat, we post content based on various topics in the realms of the core operating system, security, Active Directory, System Center, Azure, and many services, functions, communications, and protocols that sit in between.

Building the Runbook Now that the Automation Accounts have been created and modules have been updated we can start building our runbook. Conclusion I have also attached the startup script that was mentioned earlier in the article for your convenience. First a little backstory on Shielded VMs and why you would want to use them.

Windows Server with the latest cumulative update as the host. I used the E drive on my system. Once you have extracted each of the files from GitHub you should have a folder that is like the screenshot below By default these files should be marked as blocked and prevent the scripts from running, to unblock the files we will need to unblock them. We need to create a few more folders and add in some additional items.

Inside the Files folder it should look like the screenshot below. The ADK folder should be like this. I know it seems like a lot, but now that we have all the necessary components we can go through the setup to create the VMs Select the SetupLab. You may get prompted to trust the NuGet repository to be able to download the modules — Type Y and hit enter It will then display the current working directory and pop up a window to select the configuration to build. Periodically during this time you will see message such as the below indicating the status Once all resources are in the desired state the next set of VMs will be created.

When complete you should have the 3 VMs as shown below. Matthew Walker, PFE. Save money by making sure VMs are off when not being used. Mesh and hub-and-spoke networks on Azure PDF Virtual network peering gives Azure customers a way to provide managed access to Azure for multiple lines of business LOB or to merge teams from different companies.

Written by Lamia Youseff and Nanette Ray from the Azure Customer Advisory Team AzureCAT , this white paper covers the two main network topologies used by Azure customers: mesh networks and hub-and-spoke networks, and shows how enterprises work with, or around, the default maximum number of peering links. Windows Server PowerShell Core 6. How to Switch a Failover Cluster to a New Domain For the last two decades, changing the domain membership of a Failover Cluster has always required that the cluster be destroyed and re-created.

This caused some confusion as people stated they have already been running shielded VMs on client. This blog post is intended to clarify things and explain how to run them side by side. Security ATA readiness roadmap Advanced Threat Analytics ATA is an on-premises platform that helps protect your enterprise from multiple types of advanced targeted cyber attacks and insider threats.

This document provides you a readiness roadmap that will assist you to get started with Advanced Threat Analytics. If ransomware does get a hold of your data, you can pay a large amount of money hoping that you will get your data back. The alternative is to not pay anything and begin your recovery process. Whether you pay the ransom or not, your enterprise loses time and resources dealing with the aftermath. Microsoft invests in several ways to help you mitigate the effects of ransomware.

A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in The year saw three global ransomware outbreaks driven by multiple propagation and infection techniques that are not necessarily new but not typically observed in ransomware. At that time, we used to call these kinds of threat actors not hackers but con men. The people committing these crimes are doing them from hundreds of miles away. The ability to run shielded VMs on client was introduced in the Windows 10 release.

There are many security considerations built in to shielded VMs, from secure provisioning to protecting data at rest. As part of the PAW solution, the privileged access workload gains additional security protections by running inside a shielded VM. Vulnerabilities and Updates Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems At the begging of January the technology industry and many of our customers learned of new vulnerabilities in the hardware chips that power phones, PCs and servers.

We and others in the industry had learned of this vulnerability under nondisclosure agreement several months ago and immediately began developing engineering mitigations and updating our cloud infrastructure.

Windows Server guidance to protect against speculative execution side-channel vulnerabilities This guidance will help you identify, mitigate, and remedy Windows Server environments that are affected by the vulnerabilities that are identified in Microsoft Security Advisory ADV The advisory also explains how to enable the update for your systems. Guidance for mitigating speculative execution side-channel vulnerabilities in Azure The recent disclosure of a new class of CPU vulnerabilities known as speculative execution side-channel attacks has resulted in questions from customers seeking more clarity.

The infrastructure that runs Azure and isolates customer workloads from each other is protected. This means that other customers running on Azure cannot attack your application using these vulnerabilities. It creates a SAML token based on the claims provided by the client and might add its own claims. COM is a software vendor offering SaaS solutions in the cloud. Authorizing the claims requester. But those above are the only information you will get from ADFS when Signing or Encryption certificate are change from the partner.

Why worry about Crashdump settings in Windows? For reference, here are the types of memory dump files that can be configured in Recovery options: Small mini dump. Kernel dump. Automatic memory dump. Active dump. Complete memory dump. Root cause analysis of unusual OS conditions often require a memory dump file for debugging analysis. In some cases user-mode memory will be needed as well as kernel-mode. On large memory servers, there are two choices:. Attack Surface Reduction can be achieved by disabling support for insecure legacy protocols.

Now, in the event that something was missed and you need to back out changes you have 2 options: Leave the policy enabled, and remove the checkbox from the components Disable the policy setting Both of these options will re-enable the components the next time group policy processes on the system.

Additional Data Error value decimal : Error value hex : Internal ID: b So we asked, what changes have been made recently? With this feature, ASR fulfills an important requirement to become an all-encompassing DR solution for all of your production applications hosted on laaS VMs in Azure, including applications hosted on VMs with managed disks.

Specifically, with this much power at your fingertips, you need a way to see how CA policies will impact a user under various sign-in conditions. The What If tool helps you understand the impact of the policies on a user sign-in, under conditions you specify.

Rather than waiting to hear from your user about what happened, you can simply use the What If tool. Windows Server Windows Defender Antivirus in Windows 10 and Windows Server Windows Defender Antivirus is a built-in antimalware solution that provides security and antimalware management for desktops, portable computers, and servers.

Windows Client New OneDrive for Business feature: Files Restore Files Restore is a complete self-service recovery solution that allows administrators and end users to restore files from any point in time during the last 30 days. From a view point of sustainability, it is important to manage huge conversation content such as transcripts, handouts, and slides. Our proposed system, called Sustainable Knowledge Globe SKG , supports people to manage conversation content by using geographical arrangement, topological connection, contextual relation, and a zooming interface.

Abstract The progress of technology makes familiar artifacts more complicated than before. Therefore, establishing natural communication with artifacts becomes necessary in order to use such complicated artifacts effectively.

We believe that it is effective to apply our natural communication manner between a listener and a speaker to human-robot communication. The purpose of this paper is to propose the method of establishing communication environment between a human and a listener robot. Abstract In face-to-face communication, conversation is affected by what is existing and taking place within the environment.

With the goal of improving communicative capability of humanoid systems, this paper proposes conversational agents that are aware of a perceived world, and use the perceptual information to enforce the involvement in conversation. First, we review previous studies on nonverbal engagement behaviors in face-to-face and human-artifact interaction. Abstract We have developed a broadcasting agent system, POC caster, which generates understandable conversational representation from text-based documents.

POC caster circulates the opinions of community members by using conversational representation in a broadcasting system on the Internet. We evaluated its transformation rules in two experiments. In Experiment 1, we examined our transformation rules for conversational representation in relation to sentence length.

Log in with Facebook Log in with Google. Remember me on this computer. Enter the email address you signed up with and we’ll email you a reset link. Need an account? Click here to sign up.

Download Free PDF. Siu-Tsen Shen. Related Papers. Chapter in the book: Advances in Human- … Multimodal accessibility of documents. A minimal model for predicting visual search in human-computer interaction. Assistive technology A psychotechnological review on eye-tracking systems: towards user experience.

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Windows 10 1703 download iso itarget reviews

Gaid Eds. The two questions are logically equivalent, with the first question setting the scene for the present and future time slots as having a disagreement while leaving the past without any input about it while the second places disagreement in the past and present time slots while leaving the future without input.

Human inability to change the past caused those tested to mostly answer NO to the first question and YES to the second. It is not a logical choice as the possibility should be technically possible for both questions. Darren Lunn. Georgios Kouroupetroglou , Dimitrios Tsonos. Tim Halverson. Disability and rehabilitation. Assistive technology. Maria Laura Mele. Arianna Maiorani. Toyoaki Nishida.

Abstract The capacity of involvement and engagement plays an important role in making a robot social and robust. In order to reinforce the capacity of robot in human-robot interaction, we proposed a twolayered approach. In the upper layer, social interaction is flexibly controlled by Bayesian Net using social interaction patterns. In the lower layer, the robustness of the system can be improved by detecting repetitive and rhythmic gestures.

These certificates expire days after you create them and must be renewed manually in the Endpoint Manager portal. The device will make its initial compliance check. We will now add the Microsoft Authenticator app to our Intune portal. We will begin with the iOS version. This can be used for any other application if needed. Both Applications have now been added to our Intune tenant and is ready to test on an iOS or Android device.

Using Microsoft Intune, you can enable or disable different settings and features as you would do using Group Policy on your Windows computers. You can create various types of configuration profiles. Some to configure devices, others to restrict features, and even some to configure your email or wifi settings.

This is just an example, you can create a configuration profile for many other different settings. You can now check the available options and create different configurations for different OS. The Microsoft Intune Dashboard displays overall details about the devices and client apps in your Intune tenant. Enroll on more devices, play with different options and most importantly test, test and test!

Microsoft has released the third SCCM version for SCCM has been released on December 5th, Switch Editions? Channel: System Center Dudes. Mark channel Not-Safe-For-Work? Are you the publisher?

Claim or contact us about this channel. Viewing latest articles. Browse all Browse latest View live. Due to weaknesses in the SHA-1 algorithm and to align to industry standards, Microsoft now only signs Configuration Manager binaries using the more secure SHA-2 algorithm. Windows Release Name Build Number Revision Number Availability date First Rev End of servicing Windows 11 21H2 to Yes Windows 10 21H2 to Yes Windows 10 21H1 to Yes Windows 10 20H2 to Yes Windows 10 to No Windows 10 to No Windows 10 to No Windows 10 1 to Yes Windows 10 48 to No Windows 10 19 to No Windows 10 to No Windows 10 10 to Yes Windows 10 3 to No Windows 10 to Yes Windows 11 Version Naming and Revision Windows 10 version name is pretty simple: The first two 2 numbers are the release year.

Ex: 20 22 The last two 2 characters are : The first half of the year — H1 The second part of the year — H2 For example, Windows 11 22H1 would mean that it was released in 20 22 in the first half of the year.

Manually On a device running Windows 11 or Windows 10, you can run winver in a command window. The Windows 11 version will be listed : You can also use this useful Powershell script from Trevor Jones. Microsoft added the following note to the start menu layout modification documentation after the release Note In Windows 10, version , Export-StartLayout will use DesktopApplicationLinkPath for the.

There are two main paths to reach to co-management: Windows 10 and later devices managed by Configuration Manager and hybrid Azure AD joined get enrolled into Intune Windows 10 devices that are enrolled in Intune and then install with the Configuration Manager client We will describe how to enable co-management and enroll an SCCM-managed Windows 10 device into Intune. Do not follow instructions for Windows 10, those options have changed between and Since the introduction of SCCM , we now have a multitude of options, most notably: Direct membership Queries Include a collection Exclude a collection Chances are, if you are deploying new software to be part of a baseline for workstations for example , you will also add it to your task sequence.

Caveat for your deployments Now, you can use this for all your deployments. Since we want to exclude these machines from the collection I simply negate the above query with a not statement. So give me all IDs that are not part of that sub-selection. Pimp my package deployment Ok, now that we have that dynamic query up and running, why not try and improve on the overall deployment technique, shall we? Do you guys have any other methods to do this? If so, I would be curious to hear you guys out.

Consult our fixed price consulting plans to see our rates or contact us for a custom quote. Here are the main support and deployment features : If you have devices running Windows 10, version or later, you can update them quickly to Windows 10, version 22H2 using an enablement package New Windows 10 release cadence that aligns with the cadence for Windows For brand-new computers with Windows 10 deployment, Task Sequences are the only option.

We will cover all the options in this post. The path must point to an extracted source of an ISO file. You need to point at the top folder where Setup. Also enter valid credentials to join the domain. In the Install Configuration Manager tab, select your Client Package On the State Migration tab, select if you want to capture user settings and files.

This is the collection that will receive the Windows 10 upgrade. For testing purposes, we recommend putting only 1 computer to start On the Deployment Settings tab, select the Purpose of the deployment Available will prompt the user to install at the desired time Required will force the deployment at the deadline see Scheduling You cannot change the Make available to the following drop-down since upgrade packages are available to clients only On the Scheduling tab, enter the desired available date and time.

We will leave the default options Review the selected options and complete the wizard Launch the Upgrade Process on a Windows 10 computer Everything is now ready to deploy to our Windows 10 computers.

This step should take between minutes depending on the device hardware Windows 10 is getting ready, more minutes and the upgrade will be completed Once completed the SetupComplete. This step is important to set the task sequence service to the correct state Windows is now ready, all software and settings are preserved.

Validate that you are running Windows 10 22H2 Build Launch the Process on a new Windows 10 computer To install the Windows 10 22H2 operating system, the process is fairly the same except to start the deployment.

Make sure to run a full synchronization to make sure that the new Windows 10 21H1 is available. It will be available in the Updates section. Select the Windows 10 20H2 feature update and click Install. If you want an automated process, just make your deployment Required. The installation should take around 30 minutes. Use the Preview button at the bottom to scope it to your need. Select your deployment schedule. Remember that this rule will run automatically and schedule your deployment based on your settings.

Set your desired User Experience options Select to create a new deployment package. This is where the Update file will be downloaded before being copied to the Distribution Point Distribute the update on the desired Distribution Point and complete the wizard Your Servicing Plan is now created. On a computer member of the collection, the update will be available in the software center.

The installation should be quicker than the classic Feature Update It should take around 15 minutes. Microsoft Azure is a set of cloud services to help your organization meet your business challenges. This is where you build, manage, and deploy applications on a massive, global network using your favorite tools and frameworks.

Microsoft Intune was and is still one of Azure services to manage your devices. Endpoint security, device management, and intelligent cloud actions This graph from Microsoft makes a good job explaining it: So to wrap up… before you were accessing the Microsoft Intune portal through Azure, now Microsoft wants you to use the new Endpoint Manager Portal.

If you have only cloud-based accounts go ahead and assign licenses to your accounts in the portal. Choose Add domain , and type your custom domain name.

Once completed your domain will be listed as Healthy. The OnMicrosoft domain cannot be removed. Go to Devices. Click on the user that you just created Click on Licenses on the left and then Assignment on the top Select the desired license for your user and click Save at the bottom Also, ensure that Microsoft Intune is selected Customize the Intune Company Portal The Intune company portal is for users to enroll devices and install apps.

A file will download in your browser. CSR file you created previously, click Upload Your certificate is now created and available for download. The certificate is valid for 1 year. You will need to repeat the process of creating a new certificate each year to continue managing iOS devices.

Click on Download Ensure that the file is a. PEM and save it to a location on your server. It can be installed on any iOS device having iOS 6 and later. Click Continue The device will make its initial compliance check. Add your group to the desired deployment option. Go to the Properties tab if you need to modify anything like Assignments.

You can also see Deployment statistics on this screen Android Devices We will now do the same step for the Android version of Microsoft Authenticator app. To access the Dashboard, simply select Dashboard on the left pane. For our example, we can quickly see the action point we should focus on. More Pages to Explore Latest Images. Insights Into Our Insights Feature December 21, , am.

Frustration Among Migrants at U. December 20, , am. Catholic Charities Under Siege December 17, , pm.

Bucs breaking out pewter alternate uniforms for Sunday’s game vs. Bengals December 15, , am. As is: Photographs of Ontario Place, December 15, , am. The system cannot find the file specified This error occur when the WMI service is corrupt. The service did not respond to the start or control request in a timely fashion. The network path was either typed incorrectly, does not exist, or the network provider is not currently available Please try retyping the path or contact your network administrator.

The trust relationship between this workstation and the primary domain failed. Prajwal Desai post. WMI Repair. KB Dcom is miss-configured for security. If you have never gone through this process, or have never reviewed the knowledge base article on configuring your machine for a kernel or complete memory dump , I highly suggest going through the article along with this blog.

But with the advent of bit operating systems, very large virtual and physical address spaces, even just the kernel-mode memory output could result in a very large memory dump file. When the Windows kernel implements KeBugCheckEx execution of all other running code is halted, then some or all of the contents of physical RAM is copied to the paging file.

On the next restart, Windows checks a flag in the paging file that tells Windows that there is debugging information in the paging file. Please see KB for more information on this hotfix. Herein lies the problem. One of the Recovery options is memory dump file type. There are a number of memory.

The purpose of this article is to convey settings that cover the few cases where more than a kernel memory dump is needed the first time. Nobody wants to hear that they need to reconfigure the computing device, wait for the problem to happen again, then get another memory dump either automatically or through a forced method. The problem comes from the fact that the Windows has two different main areas of memory: user-mode and kernel-mode.

User-mode memory is where applications and user-mode services operate. Kernel-mode is where system services and drivers operate. This explanation is extremely simplistic. More information on user-mode and kernel-mode memory can be found at this location on the Internet:.

User mode and kernel mode. What happens if we have a system with a large amount of memory, we encounter or force a crash, examine the resulting memory dump file, and determine we need user-mode address space to continue analysis? This is the scenario we did not want to encounter. We have to reconfigure the system, reboot, and wait for the abnormal condition to occur again. The secondary problem is we must have sufficient free disk space available.

If we have a secondary local drive, we can redirect the memory dump file to that location, which could solve the second problem. The first one is still having a large enough paging file.

If the paging file is not large enough, or the output file location does not have enough disk space, or the process of writing the dump file is interrupted, we will not obtain a good memory dump file. In this case we will not know until we try. Wait, we already covered this. The trick is that we have to temporarily limit the amount of physical RAM available to Windows.

The numbers do not have to be exact multiples of 2. The last condition we have to meet is to ensure the output location has enough free disk space to write out the memory dump file. Once the configurations have been set, restart the system and then either start the issue reproduction efforts, or wait for the abnormal conditions to occur through the normal course of operation.

Figure 1: System Configuration Tool. Figure 2: Maximum memory boot configuration. Figure 3: Maximum memory set to 16 GB. With a reduced amount of physical RAM, there may now be sufficient disk space available to capture a complete memory dump file.

In the majority of cases, a bugcheck in a virtual machine results in the successful collection of a memory dump file. The common problem with virtual machines is disk space required for a memory dump file. The default Windows configuration Automatic memory dump will result in the best possible memory dump file using the smallest amount of disk space possible.

The main factors preventing successful collection of a memory dump file are paging file size, and disk output space for the resulting memory dump file after the reboot. These drives may be presented to the VM as a local disk, that can be configured as the destination for a paging file or crashdump file. The problem occurs in case a Windows virtual machine calls KeBugCheckEx , and the location for the Crashdump file is configured to write to a virtual disk hosted on a file share.

Either that, or temporarily add a local virtual disk to the VM and then configure that drive to be the dedicated crashdump location.

Non-persistent VDI means that any changes to the desktop presented to the user are discarded when the user logs off. Even writes to the paging file are redirected to the write cache disk. Typically the write cache disk is sized for normal day-to-day computer use.

The problem occurs that, in the event of a bugcheck, the paging file may no longer be accessible. Even if the pagefile is accessible, the location for the memory dump would ultimately be the write cache disk. Even if the pagefile on the write cache disk could save the output of the bugcheck data from memory, that data may be discarded on reboot. Even if not, the write cache drive may not have sufficient free disk space to save the memory dump file.

In the event a Windows operating system goes non-responsive, additional steps may need to be taken to capture a memory dump.

The big challenge in the cloud computing age is accessing a non-responsive computer that is in a datacenter somewhere, and your only access method is over the network. In the case of a physical server there may be an interface card that has a network connection, that can provide console access over the network.

Hopefully this will help you with your crash dump configurations and collecting the data you need to resolve your issues. Hello Paul Bergson back again, and I wanted to bring up another security topic. There has been a lot of work by enterprises to protect their infrastructure with patching and server hardening, but one area that is often overlooked when it comes to credential theft and that is legacy protocol retirement. To better understand my point, American football is very fast and violent.

Professional teams spend a lot of money on their quarterbacks. Quarterbacks are often the highest paid player on the team and the one who guides the offense. There are many legendary offensive linemen who have played the game and during their time of play they dominated the opposing defensive linemen.

The above listed services should all be scheduled for retirement since they risk the security integrity of the enterprise. The cost to recover from a malware attack can easily exceed the costs of replacement of old equipment or services. Improvements in computer hardware and software algorithms have made this protocol vulnerable to published attacks for obtaining user credentials. As with any changes to your environment, it is recommended to test this prior to pushing into production.

If there are legacy protocols in use, an enterprise does run the risk of services becoming unavailable. To disable the use of security protocols on a device, changes need to be made within the registry. Once the changes have been made a reboot is necessary for the changes to take effect.

The registry settings below are ciphers that can be configured. Note: Disabling TLS 1. Microsoft highly recommends that this protocol be disabled. KB provides the ability to disable its use, but by itself does not prevent its use. For complete details see below. The PowerShell command above will provide details on whether or not the protocol has been installed on a device.

Ralph Kyttle has written a nice Blog on how to detect, in a large scale, devices that have SMBv1 enabled. Once you have found devices with the SMBv1 protocol installed, the device should be monitored to see if it is even being used.

Open up Event Viewer and review any events that might be listed. The tool provides client and web server testing. From an enterprise perspective you will have to look at the enabled ciphers on the device via the Registry as shown above.

While finishing up the original post, I realized that having a simpler method to disable the various components of Schannel might be warranted. If you remember that article, I detailed that defining a custom cipher suite list that the system can use can be accomplished and centrally managed easily enough through a group policy administrative template. However, there is no such administrative template for you to use to disable specific Schannel components in a similar manner.

The result being, if you wanted to disable RC4 on multiple systems in an enterprise you needed to manually configure the registry key on each system, push a registry key update via some mechanism, or run a third party application and manage it.

Once we have completed that ever important review of our logs and confirmed that components are no longer in use, or required, we can start disabling. Within each setting is the ability to Enable the policy and then selectively disable any, or all, of the underlying Schannel components. Remember, Schannel protocols, ciphers, hashing algorithms, or key exchanges are enabled and controlled solely through the configured cipher suites by default, so everything is on.

At this point, you are ready to test disabling the other Schannel protocols. Once disabled, test to ensure the client can communicate out as before, and any client management capability that you have is still operational. If that is the case, then you may want to add a few more workstations to the group policy security target. And only once I am satisfied that everything is working would I schedule to roll out to systems in mass. After workstations, I find that Domain Controllers are the next easy stop.

With Domain Controllers, I always want them configured the identically, so feel free to leverage a pre-existing policy that is linked to the Domain Controllers OU and affects them all or create a new one.

Working through each grouping just as I did with the workstations. Creating a new group policy, targeting a few systems, reviewing those systems, re-configuring applications as necessary, re-verifying, and then making changes. Both of these options will re-enable the components the next time group policy processes on the system. To leverage the custom administrative template we need to add them to our Policy Definition store. Once added, the configuration options become available under:.

Each option includes a detailed description of what can be controlled as well as URLs to additional information. You can download the custom Schannel ADM files by clicking here! I could try to explain what the krbtgt account is, but here is a short article on the KDC and the krbtgt to take a look at:. Both items of information are also used in tickets to identify the issuing authority. For information about name forms and addressing conventions, see RFC This provides cryptographic isolation between KDCs in different branches, which prevents a compromised RODC from issuing service tickets to resources in other branches or a hub site.

So, we investigated the events and when we looked at it granularly we found that the event was coming from a RODC:. Computer: ContosoDC. Internal event: Active Directory Domain Services could not update the following object with changes received from the following source directory service. This is because an error occurred during the application of the changes to Active Directory Domain Services on the directory service.

To reproduce this error in lab we followed the below steps: —. If you have a RODC in your environment, do keep this in mind. Thanks for reading, and hope this helps! Hi there! Windows Defender Antivirus is a built-in antimalware solution that provides security and antimalware management for desktops, portable computers, and servers. This library of documentation is aimed for enterprise security administrators who are either considering deployment, or have already deployed and are wanting to manage and configure Windows Defender AV on PC endpoints in their network.

Nathan Penn and Jason McClure here to cover some PKI basics, techniques to effectively manage certificate stores, and also provide a script we developed to deal with common certificate store issue we have encountered in several enterprise environments certificate truncation due to too many installed certificate authorities.

By definition this means that any certificate that belongs to a Trusted Root CA is generated, or issued, by itself. Simple stuff, right? We know about remote site certificates, the certificate chain they rely on, the local certificate store, and the difference between Root CAs and Intermediate CAs now.

But what about managing it all? On individual systems that are not domain joined, managing certificates can be easily accomplished through the same local Certificates MMC shown previously. In addition to being able to view the certificates currently loaded, the console provides the capability to import new, and delete existing certificates that are located within.

Unfortunately, the ability to clear the certificate store on clients and servers on a targeted and massive scale with minimal effort does not exist. This technique requires the scripter to identify and code in the thumbprint of every certificate that is to be purged on each system also very labor intensive. Only certificates that are being deployed to the machine from Group Policy will remain. The ability to clear the certificate store on clients and servers on a targeted and massive scale with minimal effort.

CertPurge then leverages the array to delete every subkey. Prior to performing any operations i. In the event that required certificates are purged, an administrator can import the backup files and restore all purged certificates. NOTE: This is a manual process, so testing prior to implementation on a mass scale is highly recommended. KB details the certificates that are required for the operating system to operate correctly.

Removal of the certificates identified in the article may limit functionality of the operating system or may cause the computer to fail. If a required certificate either one from the KB, or one specific to the customer environment is purged, that is not being deployed via GPO, the recommended approach is as follows.

Restore certificates to an individual machine using the backup registry file,. Leveraging the Certificate MMC, export the required certificates to file,. Update the GPO that is deploying certificates by importing the required certificates,. Rerun CertPurge on machine identified in step 1 to re-purge all certificates,. Did we mention Test? Also, we now have a method for cleaning things up things in bulk should things get out of control and you need to rebaseline systems in mass.

Let us know what you all think, and if there is another area you want us to expand on next. The sample scripts are not supported under any Microsoft standard support program or service. Download CertPurge. Greetings and salutations fellow Internet travelers! It continues to be a very exciting time in IT and I look forward to chatting with you once more.

Azure AD — Identity for the cloud era. An Ambitious Plan. This is information based on my experiences; your mileage may vary.

UPNs and email addresses — should they be the same? In a word, yes. This assumes there is an on-prem UPN suffix in AD that matches the publicly routable domain that your org owns i. AAD Connect — Install and configuration. I basically break this phase up into three sections:.

Browse latest View live. Note: Device writeback should be enabled if using conditional access. A Windows 10 version , Android or iOS client. To check that all required ports are open, please try our port check tool.

Optional: Enable Token Broker for Windows 10 version clients. Work Folder Native —native apps running on devices, with no credentials, no strong identity of their own. Work Folder Proxy — Web Application that can have their own credentials, usually run on servers.

This is what allows us to expose the internal Work Folders in a secure way. If the user is validated, Azure AD creates a token and sends it to the user. The user passes the token to Application Proxy. Application Proxy validates the token and retrieves the Username part of user principal name from it, and then sends the request, the Username from UPN, and the Service Principal Name SPN to the Connector through a dually authenticated secure channel. Active Directory sends the Kerberos token for the application to the Connector.

The Work Folders server sends the response to the Connector, which is then returned to the Application Proxy service and finally to the user. Kerberos Survival Guide. I found this on the details page of the new test policy and it is marked as: I then open an administrative PowerShell to run my command in to see exactly what the settings look like in WMI. Topic 2: Purpose of the tool.

Topic 3: Requirements of the tool. Topic 4: How to use the tool. Topic 5: Limitations of the tool. Topic 7: References and recommendations for additional reading. The specific target gaps this tool is focused toward: A simple, easy to utilize tool which can be executed easily by junior staff up to principle staff. A means by which security staff can see and know the underlying code thereby establishing confidence in its intent. A lite weight utility which can be moved in the form of a text file.

An account with administrator rights on the target machine s. An established file share on the network which is accessible by both. Ok, now to the good stuff. If you have anything stored in that variable within the same run space as this script, buckle up. Just FYI. The tool is going to validate that the path you provided is available on the network. However, if the local machine is unable to validate the path, it will give you the option to force the use of the path.

Now, once we hit enter here, the tool is going to setup a PowerShell session with the target machine. In the background, there are a few functions its doing:. Next, we must specify a drive letter to use for mounting the network share from Step 4. The tool, at present, can only target a single computer at a time. If you need to target multiple machines, you will need to run a separate instance for each. Multiple PowerShell Sessions. I would recommend getting each instance to the point of executing the trace, and then do them all at the same time if you are attempting to coordinate a trace amongst several machines.

Again, the tool is not meant to replace any other well-established application. Instead, this tool is meant only to fill a niche. You will have to evaluate the best suitable option for your purposes. On November 27, , Azure Migrate, a free service, will be broadly available to all Azure customers. Azure Migrate can discover your on-premises VMware-based applications without requiring any changes to your VMware environment.

Integrate VMware workloads with Azure services. This valuable resource for IT and business leaders provides a comprehensive look at moving to the cloud, as well as specific guidance on topics like prioritizing app migration, working with stakeholders, and cloud architectural blueprints.

Download now. Azure Interactives Stay current with a constantly growing scope of Azure services and features. Windows Server Why use Storage Replica?

Storage Replica offers new disaster recovery and preparedness capabilities in Windows Server Datacenter Edition.

For the first time, Windows Server offers the peace of mind of zero data loss, with the ability to synchronously protect data on different racks, floors, buildings, campuses, counties, and cities.

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Windows 10 1703 download iso itarget reviews

Hello all! We are now ready to enroll devices into Microsoft Intune. Windows Server with the latest cumulative update as the host. That decision largely rides on required customer action and risk.❿

Windows 10 1703 download iso itarget reviews.Conclusion:

Service accounts. Until you update. After setup is completed, verify the build number of the console. Many of the risks associated with ransomware and worm malware can be alleviated through systems design. What we can do is creating a schedule process which:. When the Runbook Creation blade comes up click Create a Runbook , In the callout blade Give the runbook a name, select Powershell from the dropdown, and finally click Create.

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الأربعاء, فبراير 1 2023

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Windows 10 1703 download iso itarget reviews

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