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WU_E_UNKNOWN_HARDWARECAPABILITY
WU_E_UNKNOWN_HARDWARECAPABILITY means Windows Update synchronized with the service but could not find the expected hardware-capability metadata. The result can affect feature targeting or eligibility evaluation.
What to check
- Use the Windows Update log to identify which capability record or sync phase failed.
- Check whether the device is reporting hardware inventory normally and whether the update source is appropriate for the device.
- Do not treat this as a generic download failure: the problem is metadata discovery after synchronization.
Microsoft: Windows Update error reference
Microsoft: Windows Update log files
Microsoft: Windows Update Agent API
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