To re-enable this feature, launch the Local Group Policy Editor.
Navigate to COMPUTER CONFIGURATION -- ADMINISTRATIVE TEMPLATES -- SYSTEM -- LOGON -- change "Turn on convenience PIN sign-in" state to ENABLED.
Navigate to COMPUTER CONFIGURATION -- ADMINISTRATIVE TEMPLATES -- WINDOWS COMPONENTS -- BIOMETRICS -- change the following state to ENABLED :
"Allow the use of biometrics"
"Allow users to logon using biometrics"
"Allow domain users to log on using biometrics"
Restart Windows.
Works on Windows 10 Version 1706 (OS Build 14393.187)