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WU_E_UNRECOGNIZED_VOLUMEID
WU_E_UNRECOGNIZED_VOLUMEID means an update operation referenced a volume ID that Windows could not map to a recognized volume. The source or target may have moved, been removed, or no longer match the state recorded by the update process.
What to check
- Verify that all drives or mounted volumes used by the affected package are online and accessible.
- Check whether the device was restored, cloned, reimaged, or had storage reconfigured since the update was staged.
- Use the update and servicing logs to determine whether the volume was needed for source content, package storage, or application data.
Microsoft: Windows Update log files
Microsoft: Windows Update Agent API reference
Microsoft: Windows Update error reference
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