Installing this month's Windows Server security update has knocked some enterprise domain controllers into continuous reboot cycles.

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. LSASS ...

The Windows security updates, especially for servers from April, have partly severe side effects. Some Windows servers restart unexpectedly. Furthermore, there are indications that domain admin logins ...