Windows Server 23H2 build 25398.2092 — release notes, downloads, known issues

Windows Server, version 23H2 (25398.2092)

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Issue Windows 11 23H2 Shutdown Bug After January 2026 Patch Tuesday (Secure Launch) Jan 16, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 Shutdown Regression with Secure Launch (KB5073455) Jan 16, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 KB5073455 Shutdown Bug With Secure Launch: Workarounds Jan 16, 2026 · Windows Server 23H2 coverage from this build's release window
Coverage Windows 11 23H2 KB5073455: Security fixes and Secure Boot rollout Jan 16, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 KB5073455 Shutdown Regression With Secure Launch (Workaround) Jan 16, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 Shutdown Bug With System Guard Secure Launch (KB5073455) Jan 17, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 KB5073455 Shutdown Bug With Secure Launch: Workarounds Jan 17, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 KB5073455 Shutdown Regression with Secure Launch Jan 17, 2026 · Windows Server 23H2 coverage from this build's release window

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