The first way to utilize Group Policy Loopback Processing is to configure it in Merge Mode. When loopback is configured as such, you will get a merging of GPO settings. During system startup, the computers behave in the normal Group Policy fashion, looking at their GPOs and applying all of their Computer Configuration settings. Then the user logs in, and all of the GPOs that have User Configuration settings go ahead and apply. Again, this is all normal behavior.
The new part is that after user settings have applied themselves, Group Policy then goes back and runs through the GPOs again. It looks back through all of the GPOs that are applied to the Computer, and then processes all of the User Configuration settings that are inside ...
