Prevent changing lock screen image

Prevents users from changing the background image shown when the machine is locked.

By default, users can change the background image shown when the machine is locked.

If you enable this setting, the user will not be able to change their lock screen image, and they will instead see the default image.

Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Microsoft\Windows\Personalization
Value NameNoChangingLockScreen
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

controlpaneldisplay.admx

Administrative Templates (Computers)

Administrative Templates (Users)