User profiles contain settings for the network environment, such as desktop configuration and menu options. Problems with a profile can sometimes prevent a user from logging on. For example, if the display size in the profile isn’t available on the system being used, the user might not be able to log on properly. In fact, the user might get nothing but a blank screen. You could reboot the computer, go into Video Graphics Adapter (VGA) mode, and then reset the display manually, but solutions for profile problems aren’t always this easy and you might need to update the profile itself.
Windows Server 2008 provides several ways to manage user profiles:
You can assign profile paths in Active Directory Users And Computers.
You can ...