This policy setting allows local users to be enumerated on domain-joined computers. If you enable this policy setting Logon UI will enumerate all local users on domain-joined computers.If you disable or do not configure this policy setting the Logon UI will not enumerate local users on domain-joined computers.
Policy path:
System\Logon
Scope:
Machine
Supported on:
At least Windows Server 2012 Windows 8 or Windows RT
Registry settings:
HKLM\Software\Policies\Microsoft\Windows\System!EnumerateLocalUsers
Filename:
Logon.admx