MC340717 – Take action: March 2022 security update available for all supported versions of Windows Icon

check before: 2022-03-22




Windows Desktop, World tenant


Change type:

Admin impact



The March 2022 security update release, referred to as our "B" release, is now available for Windows 11 and all supported versions of Windows 10. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 and Windows 10 update history pages (Note: Release notes might be published up to one hour after the updates are available for download). For instructions on how to install this update on your home device, check this article. To learn more about the different types of monthly quality updates, see our Windows quality updates primer.

Highlights for the Windows 11 update:
Addresses a known issue that occurs when you attempt to reset a Windows device and its apps have folders that contain reparse data.
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.

Short on time? Watch our quick monthly release notes video for a summary of this month’s Windows 11 updates.

For instructions on how to install this update for your operating system, see the KB for your OS listed below:

Windows 11, version 21H2 (original release): KB5011493
Windows Server 2022: KB5011497
Windows 10, version 21H2, Windows 10, version 21H1: KB5011487
Windows 10, version 20H2, Windows Server, version 20H2: KB5011487
Windows 10, version 20H1, Windows Server, version 20H1: KB5011487
Windows 10, version 1909, Windows Server, version 1909: KB5011485
Windows 10, version 1809, Windows Server, version 1809, Windows Server 2019: KB5011503
Windows 10, version 1607, Windows Server 2016: KB5011495
Windows 10, version 1507: KB5011491
Windows 8.1, Windows Server 2012 R2: Monthly Rollup KB5011564/ Security Only KB5011560
Windows Server 2012: Monthly Rollup KB5011535/ Security Only KB5011527
Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1: Monthly Rollup KB5011552/ Security Only KB5011529
Windows Server 2008 Service Pack 2: Monthly Rollup KB5011534/ Security Only KB5011525

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