Microsoft has confirmed a new known issue affecting Windows Server 2016 systems that causes domain controller lookups to fail after installing the KB5087537 May 2026 security update. Windows Server ...

Microsoft released Patch Tuesday updates for Windows installations a couple of weeks ago, and while the rollout has been mostly smooth, a few issues have popped up here and there too. A notable issue ...

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 ...