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| WINBIO_E_UNSUPPORTED_DATA_TYPE | WINBIO_E_INVALID_DEVICE_STATE |
WINBIO_E_UNSUPPORTED_PURPOSE
WINBIO_E_UNSUPPORTED_PURPOSE means the sensor cannot provide data for the requested purpose. A device may support ordinary authentication capture but not maintenance, calibration, or another specialized operation.
What to check
- Check the supported access and purpose flags for the selected unit before starting the operation.
- Use a device-specific maintenance path only when the driver documents it.
- For ordinary Windows Hello use, confirm the request is not accidentally opening a raw or maintenance session.
Microsoft: Sensor Adapter Functions
Microsoft: Windows Biometric Framework client error codes
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