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| WU_E_METADATA_INVALID_PARAMETER | WU_E_METADATA_NO_VERIFICATION_DATA |
WU_E_METADATA_UNEXPECTED
WU_E_METADATA_UNEXPECTED is the catch-all result for an unexpected metadata-verification failure. It is not the root cause by itself; the preceding diagnostic entries determine whether the issue involved configuration, trust, timestamps, or the update service.
Best next step
- Generate a readable update log and search backward from this code for the first specific verification or transport error.
- Check whether the failure is limited to one device, one update source, or all clients using a shared service.
- Keep signature and metadata verification enabled while investigating; disabling trust checks would hide rather than fix the problem.
Get-WindowsUpdateLog -IncludeAllLogs
Microsoft: Get-WindowsUpdateLog
Microsoft: Windows Update security
Microsoft: Windows Update error reference
Looking for a different code? Search another status or error code.
