Windows Server 23H2 build 25398.2207 — release notes, downloads, known issues

Windows Server, version 23H2 (25398.2207)

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Fix Windows 11 23H2 KB5078883: March 2026 Patch Tuesday and Secure Boot Prep Mar 12, 2026 · Windows Server 23H2 coverage from this build's release window
Coverage Windows 11 23H2 Start Menu Search Blank Results: Microsoft Server-Side Rollback Apr 8, 2026 · Windows Server 23H2 coverage from this build's release window
Issue Windows 11 23H2 Start Menu Search Broken Fix: Bing Server Rollback WI1273488 Apr 8, 2026 · Windows Server 23H2 coverage from this build's release window
Fix Windows 11 Start Menu Search Fix: Bing Server Rollback Explained (23H2) Apr 9, 2026 · Windows Server 23H2 coverage from this build's release window
Coverage KB5082242 Safe OS Update for Windows 11 23H2: Secure Boot Certs Expire in 2026 Apr 14, 2026 · Windows Server 23H2 coverage from this build's release window
Fix KB5082052 April 2026 Update for Windows 11 23H2: Fix “No Internet” Sign-in Apr 15, 2026 · Windows Server 23H2 coverage from this build's release window

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