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WINBIO_E_CRED_PROV_DISABLED
WINBIO_E_CRED_PROV_DISABLED is about the Windows sign-in credential-provider path, not proof that the biometric sensor is broken. Windows Biometric Framework client APIs and the biometric credential provider participate in different scenarios; policy can leave a device visible while preventing biometric credentials from being offered at logon.
Separate framework access from sign-in policy
- Check whether ordinary WinBio enumeration or capture APIs still see the biometric unit.
- Inspect the effective biometric and Windows Hello sign-in policy instead of reinstalling the sensor solely because the credential tile is absent.
- Record whether the failure is limited to logon, unlock, or credential-management code paths.
Credential providers are the components that collect and serialize credentials for Windows authentication. A disabled biometric credential provider therefore changes the authentication surface even when the Windows Biometric Service can still manage installed units. Diagnose policy and provider availability first; driver repair is appropriate only when sensor enumeration or device operations also fail.
Credential providers in Windows · Windows Biometric Framework overview
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