This policy setting allows you to prevent app notifications from appearing on the lock screen.If you enable this policy setting no app notifications are displayed on the lock screen.If you disable or do not configure this policy setting users can choose which apps display notifications on the lock screen.
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!DisableLockScreenAppNotifications
Filename:
Logon.admx