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WINBIO_E_DATABASE_CANT_ERASE
WINBIO_E_DATABASE_CANT_ERASE means the storage adapter could not erase the requested biometric database. This is an administrative or provider-level storage failure, not a normal failed sign-in.
What to check for WINBIO_E_DATABASE_CANT_ERASE
- Confirm that the caller has the authority required for the delete or reset operation.
- Check locks, backing-store availability, and device state before retrying.
- Use the supported vendor or Windows enrollment-removal path; do not attempt to delete unknown biometric files directly.
Microsoft: Storage Adapter Functions
Microsoft: WBF client error codes
Verification: Capture the exact API call and input state that reports database cant erase, then repeat the operation after changing only that condition.
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