Microsoft is investigating LSASS memory leaks (caused by Windows Server updates released during the November Patch Tuesday) that might lead to freezes and restarts on some domain controllers.

We set up Server B with Windows Server 2019, and joined it to our domain, but before installing AD Connect, we exported the settings on Server A using the following steps: ...

Log on to a standard Server 2008 domain controller in your central site as a domain administrator. Open Active Directory Users and Computers (ADUC) from Administrative Tools on the Start menu. Expand ...

Microsoft warned IT admins that some Windows Server 2025 domain controllers (DCs) might become inaccessible after a restart, causing apps and services to fail or remain unreachable. As the company ...

For instance, Microsoft recommends that all domain controllers should be running at least Windows Server 2016 and in-place upgrades are not recommended; instead you need to set up a new server and ...