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WINBIO_E_DATABASE_ALREADY_EXISTS
WINBIO_E_DATABASE_ALREADY_EXISTS means a create request targeted a biometric database that is already present. It generally indicates an idempotency or configuration mistake rather than damaged data.
What to check
- Decide whether the existing database should be opened and reused rather than created again.
- Check whether a previous provisioning attempt completed successfully before starting a second one.
- Use unique database identifiers when provisioning independent stores for different devices or environments.
Microsoft: Storage Adapter Functions
Microsoft: WBF plug-in architecture
Microsoft: Windows Biometric Framework client error codes
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