Today ,i updated my SCCM SP1 site server to SP2 .I have listed the actions that might be helpful in doing so .It is strongly recommened that ,test it in testing environment before taking it to the production. It is strongly recommended  to follow the check list from microsoft http://technet.microsoft.com/en-us/library/ee344152.aspx ************************************************************************************************* Take backup of your Config mgr Install SCCM SP2 setup…