I see this only occurs about every hour, and I would like to increase the frequency. Seems to confuse users that they don't see ratings right away. Which service would this setting be located in?
Hey, There are essentially two services that you need to enable:
This should help you out, my good friend Charles has an awesome post on the whole thing that you can check out at: http://www.habaneros.com/blog/10-01-22/SharePoint_2010_User_Profile_Synchronization.aspx