Windows 10 20H2 will be upgraded to Windows 21H2 (January 20, 2022)

Windows[German]Microsoft has adjusted its machine learning programs so that machines running Windows 10 version 20H2 are now updated more broadly and automatically to Windows version 21H2. This is Microsoft's response to the fact that support for version 20H2 is about to expire, and it wants to ensure that the machines in question run on newer builds. Here is some information on this topic.


With Windows 10, feature updates are rolled out in waves, so systems with no known compatibility issues are first. Users can also remain on a build, but will be switched to a newer build shortly before the end of support.

Windows 10 Version 20H2

Windows 10 Version 20H2 is the second feature update for 2020 and was generally released on October 20, 2020 (see Windows 10 October 2020 Update (20H2) released). According to the lifecycle plan, support for Windows 10 version 20H2 in the Home and Pro variants will expire on May 10, 2022. At that point, this build will no longer receive security updates.

Windows 10 20H2 was, after all, similar to what happened with Windows 10 version 1903/1909, just a small feature update for the old 2004 version, which expires in December 2021. For this, the changes are already prepared in the existing Windows 10 versions via monthly updates. For the release, only the few KByte Enablement Update KB5000736 via Windows Update or WSUS is required. However, this will only be offered on matching machines and will not be available via the Microsoft Update Catalog. The 21H1 and 21H2 are also such small feature updates, which are then rolled out via enablement updates.

Windows 10 20H2 will be upgraded to 21H2

In the status section of Windows 10 version 21H1, Microsoft has announced the next stage of the rollout on January 20, 2022, as Bleeping Computer noticed. It states:

Current status as of January 20, 2022 (PT)

Windows 10, version 21H2 is available for users with select devices running Windows 10, versions 2004 and higher who manually seek to "Check for updates" via Windows Update. Devices currently on Windows 10, version 2004 or newer will have a fast installation experience because the update will install like a monthly update. For more information on how to get this update, watch our video.

We also started the first phase in our rollout for machine learning (ML) training, targeting devices on Windows 10, version 20H2 that are approaching end of servicing to update automatically to Windows 10, version 21H2. We will continue to train our machine learning model through all phases to intelligently rollout new versions of Windows 10, and deliver a smooth update experience.

Windows 10 May 2021 Update (21H1)


Leaving aside the Microsoft prose of great update experience, the above announcement means nothing more than that all machines running Windows 10 20H2 that have no known compatibility issues will now be automatically upgraded to Windows 10 21H2. No upgrade stoppers are listed in the status area, so all machines running 20H2 will be forcibly upgraded to Windows 10 21H2 in the coming weeks.

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