Although GPO can manage this setting, by default it is off. To get your Windows 7 systems to allow domain user login using biometrics (fingerprint) support follow the directions below.
Adding Domain log on access for Biometrics
Goto -> Control Panel ->All Control Panel Items ->Biometric Devices
Select: Change Biometric Settings
Allow users to log on to Windowsd using their fingerprints
Allow users to log on Continue reading