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WINBIO_E_NO_PREBOOT_IDENTITY
WINBIO_E_NO_PREBOOT_IDENTITY belongs to the pre-boot authentication handoff path. WBF defines a bootstrap database option for scenarios before Windows starts, and Microsoft separately warns that event monitoring across sleep/wake can interfere with pre-boot authentication and single sign-on.
Inspect the PBA handoff state
- Confirm that the device and biometric deployment actually support pre-boot authentication rather than ordinary Windows-only enrollment.
- Check whether the expected pre-boot identity was produced and handed to the Windows biometric credential path.
- Make sure an application event monitor is unregistered before sleep and registered again after wake as Microsoft recommends.
This code should not be interpreted as “no fingerprint is enrolled” without more evidence. System-pool templates, private-pool identities, and pre-boot identity state are different concepts. Capture the platform boot/authentication scenario and the database path in use before deciding whether re-enrollment is appropriate.
WinBioOpenSession database options · WinBioUnregisterEventMonitor
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