Disable Set Desktop Background

If this policy is enabled, the user cannot set an image as their desktop background.

If this policy is disabled or not configured, users can set images as their desktop background.

Supported on: Firefox 60 or later, Firefox 60 ESR or later
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Mozilla\Firefox
Value NameDisableSetDesktopBackground
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

firefox.admx

Administrative Templates (Computers)

Administrative Templates (Users)