https://social.technet.microsoft.com/Forums/windows/en-US/6b8f4c4a-19ae-42a6-b3a3-35b74fa75838/fingerprint-logon-and-domains?forum=w7itprosecurity

https://social.technet.microsoft.com/Forums/windowsserver/en-US/84a0bd50-1360-4a94-bfb3-b049ecace521/pin-and-fingerprint-signin-options-unavailable-greyed-out-in-windows-10-1607-enterprise?forum=win10itprogeneral#287270c8-277b-4432-8672-9277e2ed8ba0