need to remove wallpaper screensaver restriction from domain machine

My all machine right now not connected to domain they all are in private network and no one coming to office and urgently i need to apply wallpaper and screen saver on all the machine.

domain policy not allow to me change the wallpaper settings because its block from AD and they are login in to AD account.

So, I need to change wallpaper and screen saver remotely to all the users machine.

please let me know how i need to stop this restriction of wallpaper and screen saver or any other solution like script or software.