The Update BureauKB5072359: Cumulative update for Windows Server, version 2025, November 2025. Prevents NVMe boot failures during Server 2025 upgrades
The out-of-band update prevents a boot failure during some upgrades from Windows Server 2022 to Windows Server 2025 on Intel C2030 systems with Samsung NVMe devices. It also improves the component that installs Windows updates.
Does it affect you? Applies to: The update is for x64 devices running Windows Server 2025. Its upgrade fix concerns some Windows Server 2022 devices with Intel C2030 systems and Samsung NVMe devices.
Review notes Additional details from the official release notes (1) Read note
- This page The fix addresses a boot failure affecting some Windows Server 2022 systems with Intel C2030 hardware and Samsung NVMe devices when upgrading to Windows Server 2025.
The official sources are linked at the end of the page.
Microsoft publishes separate notes for this KB for Windows 11.
What changes
Fix 1 change
Upgrade to Windows Server 2025
-
Upgrades from Windows Server 2022 no longer encounter the described boot failure on some Intel C2030 systems with Samsung NVMe devices.1
The update defers Asynchronous Event Notification (AEN) enablement until initialization completes, preventing error code 0x7B (
INACCESSIBLE_BOOT_DEVICE). Apply it to the Windows Server 2025 OS upgrade image before upgrading affected devices.
Improvement 1 change
Servicing stack
For: Windows Server administrators
-
The component that installs Windows updates receives a quality improvement.2
Includes servicing stack update KB5067035, build 26100.7010.
Known issues
-
Windows Server Update Services (WSUS) does not display error details
After KB5070881 or a later update, Windows Server Update Services (WSUS) does not display synchronization error details. This functionality was temporarily removed to address CVE-2025-59287.3
Workaround status No workaround yetMicrosoft has not published a manual workaround for this issue yet. Monitor release health until a resolving update is available.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2025-11-18
- Classification
- Updates
- Type
- Cumulative update
- Restart
- Required
- Replaces
- KB5068861, KB5070881, KB5070773, KB5066835
- Replaced by
- KB5072033
| Version | Build | Channel |
|---|---|---|
| 2025 | 26100.7178 | General availability |
Security
No vulnerabilities are listed for this update.
Downloads (Microsoft Update Catalog)
Updated components
127 files changed since the previous update for the same versions.
| Top changed components | Files |
|---|---|
| Hyper-V and virtualization | 2 |
| Kernel | 2 |
| Storage and file systems | 2 |
| File Explorer and shell | 1 |
| Graphics and display | 1 |
| Secure Boot | 1 |
| Settings | 1 |
Sources
Cited passages from Microsoft's official notes (3)
-
1.
This OOB update defers AEN enablement until initialization completes, preventing boot failures.
support.microsoft.com -
2.
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.
support.microsoft.com -
3.
After installing KB5070881 or later updates, Windows Server Update Services (WSUS) does not display synchronization error details within its error reporting.
support.microsoft.com
Checked automatically: 8 of 8 checks passed, 3 quoted passages · compared with Microsoft's page on Nov 6, 2026
- Quotes found in the official pages: passed
- Numbers found in the sources: passed
- Vulnerabilities from the dossier only: passed
- Links to allowed domains only: passed
- Every official change covered: passed
- Readable plain text: passed
- Changes confirmed by the file list: passed
- Sources agree: passed
A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 5/5. How we work
Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake