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WU_E_DS_SCHEMAMISMATCH
WU_E_DS_SCHEMAMISMATCH means Windows Update found that the current data-store schema differs from the schema described by a backup XML document. A restore or import operation cannot safely proceed across the mismatch.
What this suggests
- Do not force an import from a different Windows Update Agent or schema version.
- Verify the origin, version, and completeness of the backup metadata.
- Use a supported refresh or recovery path appropriate to the current client version.
Microsoft: Windows Update error reference
Microsoft: Windows Update log files
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