Do not enumerate connected users on domain-joined computers

Supported on: At least Windows Server 2012, Windows 8 or Windows RT

Registry

HKLM Software\Policies\Microsoft\Windows\System

Value name: DontEnumerateConnectedUsers

Enabled: DontEnumerateConnectedUsers = 1

Disabled: DontEnumerateConnectedUsers = 0

Description

This policy setting prevents connected users from being enumerated on domain-joined computers. If you enable this policy setting, the Logon UI will not enumerate any connected users on domain-joined computers. If you disable or do not configure this policy setting, connected users will be enumerated on domain-joined computers.