To remove OEM wallpaper

1. Open Regedit on the server. 2. Go to HKEY_USERS\.DEFAULT\Control Panel\Desktop. 3. Look for the Wallpaper value in the right-hand pane. It willprobably point to C:\WINDOWS\system32\DELLWALL.BMP (in the case of a Dell). 4. Double-click on the Wallpaper value. 5. Delete the contents and click OK. 6. Close Regedit.