Security News > 2022 > November > New Windows Server updates cause domain controller freezes, restarts

"LSASS might use more memory over time and the DC might become unresponsive and restart," Microsoft explains on the Windows Health dashboard.

"Depending on the workload of your DCs and the amount of time since the last restart of the server, LSASS might continually increase memory usage with the up time of your server and the server might become unresponsive or automatically restart."

Redmond says that out-of-band Windows updates pushed out to address authentication problems on Windows domain controllers might also be affected by this known issue.

The complete list of affected Windows versions includes Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2 SP1, and Windows Server 2008 SP2. Microsoft is working on a resolution and says it will provide an update with an upcoming release.

In March, Redmond addressed another known issue leading to Windows Server domain controller reboots due to LSASS crashes.

Earlier this month, Microsoft fixed domain controller sign-in failures and other authentication problems also caused by November Patch Tuesday Windows updates with emergency out-of-band updates.

News URL

https://www.bleepingcomputer.com/news/microsoft/new-windows-server-updates-cause-domain-controller-freezes-restarts/