Wallpaper GPO Not working on Windows 10

Desktop Wallpaper Group Policy doesn't work for Win 10 clients, version 1803 and 1809.

• #education
• #wallpaper_gpo_not_working_on_windows_10
• #desktop_wallpaper_group_policy_doesnt_work_for_win_10_clients
• #gpo_not_working_win_10
• #windows_10_desktop_showing_black_screen