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

Microsoft has fixed a known issue causing authentication problems on Windows Server domain controllers after installing the April 2025 security updates. Platforms affected by these problems include ...

Microsoft expanded its Extended Security Update program to include Windows 10 Enterprise LTSB 2016, Windows 10 IoT Enterprise 2016 LTSB, and Windows Server 2016 for three additional years of security ...

Update: Microsoft has released out-of-band updates to address this issue on April 20. Microsoft has confirmed that some Windows domain controllers are entering restart loops due to Local Security ...

Windows Server is under attack, act now. Updated October 26 with more technical information regarding the latest Microsoft Windows emergency security update addressing CVE-2025-59287, a critical ...

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 ...