Upgrade To Windows 10 21h2

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Find information on known issues and the status of the rollout for Windows 10, version 21H2. Looking for a specific issue? Press CTRL + F (or Command + F if you are using a Mac) and enter your search term(s). Want the latest Windows release health updates? Follow @WindowsUpdate on Twitter. Windows 10, version 21H2 is designated for broad deployment. As always, we recommend that you update your devices to the latest version of Windows 10 as soon as possible to ensure that you can take advantage of the latest features and advanced protections from the latest security threats. For more details, see How to get the Windows 10 November 2021 Update. If you are using Windows 10 and want to move to Windows 11, you can check if your device is eligible for the upgrade using the PC Health Check app or checking Windows 11 specs, features, and computer requirements. Note that you also need to be running Windows 10, version 2004 or later, have no safeguard holds applied to your device, and have a Microsoft Account (MSA) if using Home edition. For more information on the Windows 11 upgrade experience, watch our video, Windows 11 Upgrade Experience. This table offers a summary of current active issues and those issues that have been resolved in the last 30 days. You might see authentication failures on the server or client for services. After installing updates released May 10, 2022 on your domain controllers, you might see authentication failures on the server or client for services such as Network Policy Server (NPS), Routing and Remote access Service (RRAS), Radius, Extensible Authentication Protocol (EAP), and Protected Extensible Authentication Protocol (PEAP). An issue has been found related to how the mapping of certificates to machine accounts is being handled by the domain controller.
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May 2022

Note: Installation of updates released May 10, 2022, on client Windows devices and non-domain controller Windows Servers will not cause this issue. This issue only affects installation of May 10, 2022, updates installed on servers used as domain controllers. Workaround: The preferred mitigation for this issue is to manually map certificates to a machine account in Active Directory. For instructions, please see Certificate Mapping. Note: The instructions are the same for mapping certificates to user or machine accounts in Active Directory. If the preferred mitigation will not work in your environment, please see KB5014754—Certificate-based authentication changes on Windows domain controllers for other possible mitigations in the SChannel registry key section. Note: Any other mitigation except the preferred mitigations might lower or disable security hardening. Next steps: We are presently investigating and will provide an update in an upcoming release. Affected platforms:. ​Client: Windows 11, version 21H2; Windows 10, version 21H2; Windows 10, version 21H1; Windows 10, version 20H2; Windows 10, version 1909; Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10 Enterprise LTSC 2016; Windows 10, version 1607; Windows 10 Enterprise 2015 LTSB; Windows 8.1; Windows 7 SP1.