January 2022 - Windows Server Patches causing issues with Domain Controllers, Hyper-V, and ReFS Volumes

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    Applies to:
  • SecureAuth Identity Platform
  • Legacy SecureAuth IdP
Deployment model:
  • Cloud
  • Hybrid
  • On Premises
  • Microsoft released several KBs for January 2022 Patch Tuesday that have now been pulled, after various issues were discovered.

    There were several critical bugs that led to domain controllers rebooting, Hyper-V to cease working, and ReFS volumes becoming inaccessible.


    The specific updates are KB5009624 (Monthly Rollup) and KB5009586 for Windows Server 2012 R2, KB5009546 for Windows Server 2016, KB5009557 for Windows Server 2019, and KB5009555 for Windows Server 2022.


    If you have any of these KBs presently installed, please uninstall and install the latest KBs that address the respective versions, per the links above.

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