On our Surface Pro 4, it can be enabled by inserting this key in the registry:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System]
"AllowDomainPINLogon"=dword:00000001

JunHu: JunHu/Memo/WindowsHello (last edited 2017-05-30 22:00:02 by JunHu)