The Update BureauKB5136487: Cumulative update for Windows Server, version 2022, November 2026. SLMGR activation failures fixed for KMS and license tasks
Some Windows licensing and activation commands that failed with error 0x80041008 now work again. The fix mainly matters to organizations managing KMS activation, product keys, or Windows licenses.
Does it affect you? Applies to: Devices running Windows Server 2022 on x64.
What changes
Fix 1 change
Licensing and Activation
For: Organizations managing Windows licensing
-
Some Windows licensing and activation commands no longer fail with error 0x80041008.1
Fixes failures in certain
slmgr.vbsoperations used to configure Key Management Service (KMS) activation, install product keys, or manage Windows licensing. Already activated devices and existing KMS configurations that need no furtherslmgr.vbscommands were not affected.
Improvement 1 change
Servicing stack
For: Windows Server 2022 devices
-
The component that installs Windows updates gets quality improvements to help devices install updates reliably.2
Includes servicing stack update KB5131089, version 20348.5859.
Known issues
-
Windows Server Update Services (WSUS) does not display error details
WSUS still does not show synchronization error details after KB5070884 or later updates. 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
- 2026-11-13
- Classification
- Updates
- Type
- Cumulative update
- Restart
- Required
- Replaces
-
KB5131090, KB5134140, KB5126655, KB5129237
+45 earlier
KB5122882, KB5120242, KB5099540, KB5094128, KB5087545, KB5091575, KB5082142, KB5078766, KB5082314, KB5075906, KB5078136, KB5077800, KB5073457, KB5071547, KB5068787, KB5070884, KB5066782, KB5065432, KB5063880, KB5062572, KB5060526, KB5061906, KB5058385, KB5059092, KB5058920, KB5055526, KB5053603, KB5051979, KB5052819, KB5049983, KB5048654, KB5046616, KB5047767, KB5044281, KB5042881, KB5041160, KB5040437, KB5041054, KB5039227, KB5037782, KB5036909, KB5037422, KB5035857, KB5034770, KB5034129
| Version | Build | Channel |
|---|---|---|
| 2022 | 20348.5873 | General availability |
Security
No vulnerabilities are listed for this update.
Downloads (Microsoft Update Catalog)
Updated components
186 files changed since the previous update for the same versions.
| Top changed components | Files |
|---|---|
| Hyper-V and virtualization | 2 |
| Kernel | 2 |
| Secure Boot | 2 |
Page history
-
Now also covers build 20348.5873 (2022)
Sources
Cited passages from Microsoft's official notes (3)
-
1.
Fixed: An issue where certain Windows licensing and activation operations using the Software Licensing Management Tool (SLMGR) might fail with error 0x80041008 (Invalid parameter).
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 KB5070884 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 15, 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 5/5, 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