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If you are unsure if you are using any affected apps, open any apps which use a database and then open Command Prompt select Start then type command prompt and select it and type the following command:. Next steps: We are working on a resolution and will provide an update in an upcoming release. This issue might affect any Kerberos authentication in your environment.
Some scenarios which might be affected:. Note: affected events will have " the missing key has an ID of 1 ":. Note: This issue is not an expected part of the security hardening for Netlogon and Kerberos starting with November security update.
You will still need to follow the guidance in these articles even after this issue is resolved. Windows devices used at home by consumers or devices which are not part of a on premises domain are not affected by this issue. Azure Active Directory environments that are not hybrid and do not have any on premises Active Directory servers are not affected. Resolution: This issue was resolved in out-of-band updates released November 17, and November 18, for installation on all the Domain Controllers DCs in your environment.
You do not need to install any update or make any changes to other servers or client devices in your environment to resolve this issue. If you used any workaround or mitigations for this issue, they are no longer needed, and we recommend you remove them. To get the standalone package for these out-of-band updates, search for the KB number in the Microsoft Update Catalog.
Note The below updates are not available from Windows Update and will not install automatically. Note: You do not need to apply any previous update before installing these cumulative updates. If you have already installed updates released November 8, , you do not need to uninstall the affected updates before installing any later updates including the updates listed above.
Note: If you are using security only updates for these versions of Windows Server, you only need to install these standalone updates for the month of November Security only updates are not cumulative, and you will also need to install all previous Security only updates to be fully up to date. Monthly rollup updates are cumulative and include security and all quality updates. If you are using Monthly rollup updates, you will need to install both the standalone updates listed above to resolve this issue, and install the Monthly rollups released November 8, to receive the quality updates for November After installing KB or later updates, you might experience an error in which the desktop or taskbar might momentarily disappear, or your device might become unresponsive.
Workaround: If you are unable to use the resolution below, you can mitigate this issue by restarting your Windows device.
Please note that it might take up to 24 hours for the resolution to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the resolution apply to your device faster.
For enterprise-managed devices that have installed an affected update and encountered this issue can resolve it by installing and configuring a special Group Policy. After installing KB or later updates, you might be unable to reconnect to Direct Access after temporarily losing network connectivity or transitioning between Wi-Fi networks or access points.
Windows devices used at home by consumers or devices in organizations which are not using Direct Access to remotely access the organization's network resources are not affected. For enterprise-managed devices that have installed an affected update and encountered this issue can be resolved by installing and configuring a special Group Policy.
Important: You will need to install and configure the Group Policy for your version of Windows to resolve this issue. Re-using the account was blocked by security policy. This issue originates with the October security updates KB which introduced some hardening changes enabled by default for domain join. Yes, a day evaluation of Windows 10 Enterprise is available through the Evaluation Center.
We highly recommend that organizations make use of the Windows 10 Enterprise day Evaluation to try out deployment and management scenarios, test compatibility with hardware and applications, and to get hands on experience with Windows 10 Enterprise features. For many devices, drivers will be automatically installed in Windows 10 and there will be no need for further action. Many existing Win32 and Win64 applications already run reliably on Windows 10 without any changes.
You can also expect strong compatibility and support for Web apps and devices. Desktop Analytics provides powerful insights and recommendations about the computers, applications, and drivers in your organization, at no extra cost and without other infrastructure requirements. This service guides you through your upgrade and feature update projects using a workflow based on Microsoft recommended practices.
Up-to-date inventory data allows you to balance cost and risk in your upgrade projects. Microsoft Configuration Manager simplifies the deployment and management of Windows If you aren't currently using it, download a free day trial of Microsoft Configuration Manager current branch.
MDT is a collection of tools, processes, and guidance for automating desktop and server deployment. The Windows ADK has tools that allow you to customize Windows images for large-scale deployment, and test system quality and performance.
Computers running Windows 7 or Windows 8. If you have Windows 7 Enterprise or Windows 8. You can find your product keys and installation media at the Volume Licensing Service Center. For devices that are licensed under a volume license agreement for Windows that doesn't include Software Assurance, new licenses will be required to upgrade these devices to Windows The Windows 10 operating system introduces a new way to build, deploy, and service Windows: Windows as a service.
Microsoft has reimagined each part of the process, to simplify the lives of IT pros and maintain a consistent Windows 10 experience for its customers. These improvements focus on maximizing customer involvement in Windows development, simplifying the deployment and servicing of Windows client computers, and leveling out the resources needed to deploy and maintain Windows over time.
For more information, see Overview of Windows as a service. Traditional Windows servicing has included several release types: major revisions for example, Windows 8. With Windows 10, there are two release types: feature updates that add new functionality two to three times per year, and quality updates that provide security and reliability fixes at least once a month.
To align with the new method of delivering feature updates and quality updates in Windows 10, Microsoft introduced the concept of servicing channels to allow customers to designate how aggressively their individual devices are updated.
For example, an organization may have test devices that the IT department can update with new features as soon as possible, and then specialized devices that require a longer feature update cycle to ensure continuity. For details about the versions in each servicing channel, see Windows 10 release information. For more information on each channel, see servicing channels. For more information, see Servicing Tools. For an overview of the new enterprise features in Windows 10 Enterprise, see What's new in Windows 10 and What's new in Windows 10, version in the Docs library.
Another place to track the latest information about new features of interest to IT professionals is the Windows for IT Pros blog. Here you'll find announcements of new features, information on updates to the Windows servicing model, and details about the latest resources to help you more easily deploy and manage Windows To find out which version of Windows 10 is right for your organization, you can also compare Windows editions. Windows 10 combines the best aspects of the user experience from Windows 8.
Users of Windows 7 will find the Start menu in the same location as they always have.