Microsoft is investigating an issue causing this month’s KB5082063 security update to fail to install on some Windows Server 2025 systems, with affected devices also reporting 0x800F0983 errors when applying the April 2026 cumulative updates. Some servers may also boot into BitLocker recovery after installing KB5082063; Microsoft says affected configurations are typically enterprise-managed and is looking into the root cause. #WindowsServer2025 #KB5082063
Keypoints
- KB5082063 fails to install on a limited number of Windows Server 2025 systems.
- Users report 0x800F0983 install errors when applying the April 2026 cumulative updates.
- Some servers enter BitLocker recovery and prompt for a recovery key after installing KB5082063.
- Microsoft says affected configurations are typically enterprise-managed and unlikely to impact home users.
- Microsoft is investigating the issue and will share more details while continuing to fix other recent server update bugs and security flaws.