Tag Archives: DC

Windows April 2026 Updates Are Causing Login Issues

Posted on 2026-04-20 by guenni

[German]The cumulative security updates released for Windows on April 14, 2024, are causing some issues. I have received several user reports indicating that users are unable to log in after installing the April 2026 updates. This affects Windows Server, but … Continue reading →

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Windows Server 2025: Bug in the schema master role of the DC

Posted on 2025-08-17 by guenni

[German]Quick note to administrators who use Windows Server 2025 as a domain controller (DC). I have been informed that there is a bug when using the schema master role. The bug may lead to duplicate entries, which causes a schema … Continue reading →

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