A. Windows 7 and Windows 2008 R2 introduce the ability to have user settings synchronize in the background during a user's session instead of waiting until the user logs out. This means at logoff there is less information to replicate, which gives you a faster logoff. You enable this setting using group policy by navigating to Computer Configuration, Administrative Templates, System, User Profiles, and double-clicking Background upload of a roaming user profile's registry file while users is logged on. Set this option to Enabled and set the scheduling you want to use—either based on a time interval or at set times of day.

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