Change Desktop Background with Group Policy follow steps below:
1.Open the Group Policy Management from Tools of Server Manager:
2.Then create a GPO named Wallpaper:
3. Right click the new created GPO and click Edit to open group policy editor:
4. Navigate to ‘User Configuration > Polices > Administrative Templates > Desktop> Desktop’ then double click the Desktop Wallpaper
5. On the Desktop Wallpaper double click on it and open setting page and set it like as picture:
6. the end ‘gpupdate /force’ command apply the created GPO for your domain users.
