Microsoft has released out-of-band updates to address Domain Controller boot loops

Windows Server

Last week, we mentioned that the January 11th, 2022 updates caused some Domain Controllers to restart unexpectedly. Our advice, then, was to uninstall the updates when encountering this problem. However, uninstalling these updates also rolled back other fixes that address critical vulnerabilities in Windows Server. It results in a situation where you don’t want to be in for several weeks or months.

Today, Microsoft offers a solution by releasing additional updates for the Operating Systems affected by the Domain Controller boot loops.


About the updates

The following optional updates are available for Windows Server installations as part of the January 17, 2022 updates:

Further reading

Windows Server 2019 OOB update fixes reboots, Hyper-V, ReFS bugs
Some Domain Controllers may restart unexpectedly after applying the January 11, 2022 Updates

Author: Sander Berkouwer

Sander Berkouwer is CTO at SCCT, a Dutch Microsoft Partner. He is the author of the Active Directory Administration Cookbook, speaker and blogger at and He is awarded Microsoft MVP, Veeam Vanguard and VMware vExpert. Since 2009, Microsoft has awarded Sander with the Most Valuable Professional (MVP) award. Since 2016, Veeam has awarded Sander with the Veeam Vanguard award.