Microsoft re-releases updates KB5009624, KB5009557, and KB5009555

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The first patch day of 2022 was more dramatic than many expected – and not for the right reasons. The company released update KB5009566, which along with another update later caused problems with VPN connections. But it was an issue with Windows Server updates affecting system administrators.

No fewer than three updates proved problematic for different versions of Windows Server, ultimately causing Microsoft to halt the rollout of KB5009624, KB5009557, and KB5009555. And while the Hyper-V issues introduced by the patches have yet to be fixed, Microsoft has nevertheless resumed rolling out the update and said it is investigating the issues.

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Not only did Microsoft make no announcement to stop the automatic rollout of the updates (although they were still available for manual download), the company also gave no reason for the pause in the rollout, simply stating, “Microsoft is aware of the issue and examine it”.

Over on the release Health page for Windows, Microsoft has added a new known issue related to update KB5009557.

After installing KB5009557 on domain controllers (DCs), affected versions of Windows servers might restart unexpectedly. Note: On Windows Server 2016 and later, you are more likely to be affected if DCs use shadow principals in Enhanced Security Admin Environment (ESAE) or Privileged Identity Management (PIM) environments.

Next Steps: We are currently investigating the issue and will provide an update in an upcoming release.

There is also a note on the page for KB5009586 for Windows Server 2012:

After installing KB5009586 on devices using UEFI, Hyper-V virtual machines (VMs) may fail to start.

Next Steps: We are currently investigating the issue and will provide an update in an upcoming release.

Photo credit: Eric Glenn / Shutterstock

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