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WU_E_DRV_SYNC_FAILED
WU_E_DRV_SYNC_FAILED means the Windows Update driver synchronization step did not complete. The failure can involve device inventory, applicable-driver metadata, or the update service response.
What to check
- Use the update log to see whether synchronization failed before or after the client contacted the service.
- Check whether the error affects all devices or only one hardware class.
- For managed driver policies, verify device assignment, approvals, and the service synchronization state.
Microsoft: Manage Windows Driver Updates
Microsoft: Windows Update log files
Microsoft: Windows Update error reference
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