Implementing Loopback Policy Processing is easier than it sounds. The difficult part is understanding how this setting is going to affect your machines.
Generally, you want to lump your loopbacked computers into one location. So, for example, if you are enabling loopback processing for some lobby/kiosk computers, you could create an OU called Lobby Computers and put them all inside. Or, for RDS servers, create one OU called Remote Desktop Session Host Servers and make sure all of the RDSH servers make their way inside that OU.
Now create your GPO, and link it to your new OU. This new GPO will contain the User Configuration settings that you want to apply to all user accounts (disable the Shut down button, hide the Control Panel ...
