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WINBIO_E_DATABASE_WRITE_ERROR
WINBIO_E_DATABASE_WRITE_ERROR means the storage adapter could not persist a template or database change. It can appear during enrollment commit, deletion, or adapter maintenance.
What to check
- Check free space, write permissions, device availability, and storage-adapter diagnostics.
- Verify whether the enrollment actually committed before retrying so that a duplicate template is not created.
- For an on-sensor database, check the sensor’s internal storage and its firmware or driver status.
Microsoft: Storage Adapter Functions
Microsoft: Windows Biometric Framework client error codes
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