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WINBIO_E_DUPLICATE_TEMPLATE
WINBIO_E_DUPLICATE_TEMPLATE means the template data being added matches an existing template in the database. WBF prevents duplicate biometric records that could make identification or enrollment ambiguous.
What to check for WINBIO_E_DUPLICATE_TEMPLATE
- Check whether the same individual or sub-factor is already enrolled.
- Use the existing enrollment when appropriate instead of creating another template.
- For a multi-user or shared-device scenario, review identity-selection logic before changing stored templates.
Microsoft: WinBioEnrollCapture
Microsoft: Windows Biometric Framework client error codes
Diagnostic discriminator: Compare the biometric identity/subfactor of the new template with records already stored in the target database. This status identifies a duplicate enrollment record rather than a sensor capture failure.
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