Windows Server 2025 Known Issues

Resolved KB5091157OS Build 26100.32690 KB50820632026-04-14Resolved: 2026-04-19, 14:00 PTOpened: 2026-04-16, 18:50 PT

27 days ago

Domain controllers may restart repeatedly after installing April security update

30 days ago

Domain controllers may restart repeatedly after installing April security updateAffected DCs will...

Resolved KB5082063N/A Resolved: 2026-04-14, 10:00 PTOpened: 2024-11-09, 12:16 PT

about 1 month ago

Resolved KB5055523N/A Resolved: 2025-04-08, 10:00 PTOpened: 2025-04-07, 16:30 PT

3 months ago

Authentication issues due to failed password rotation in Kerberos

3 months ago

Authentication issues due to failed password rotation in KerberosThis issue is observed...

Resolved KB5078135OS Build 26100.32230 KB50733792026-01-13Resolved: 2026-01-23, 14:00 PTOpened: 2026-01-20, 22:10 PT

4 months ago

Apps might become unresponsive when saving files to cloud-backed storage

4 months ago

Apps might become unresponsive when saving files to cloud-backed storageAffected apps include...

Resolved KB5077793OS Build 26100.32230 KB50733792026-01-13Resolved: 2026-01-17, 14:00 PTOpened: 2026-01-14, 00:52 PT

4 months ago

Resolved KB5077744OS Build 26100.32230 KB50733792026-01-13Resolved: 2026-01-17, 14:00 PTOpened: 2026-01-14, 00:52 PT

4 months ago

Connection and authentication failures in Azure Virtual Desktop and Windows 365

4 months ago

Connection and authentication failures in Azure Virtual Desktop and Windows 365January 2026...

Resolved KB5068861OS Build 26100.6899 KB50668352025-10-14Resolved: 2025-11-11, 10:00 PTOpened: 2025-10-16, 16:06 PT

6 months ago

Resolved KB5068861OS Build 26100.6584 KB50654262025-09-09Resolved: 2025-11-11, 10:00 PTOpened: 2025-10-14, 17:49 PT

6 months ago