New Solution: A System Center Configuration Manager 2007 site fails to upgrade to Service Pack 2

Symptoms A System Center Configuration Manager 2007 site fails to upgrade to Service Pack 2 and reports SQL Error: The server service principal name already exists.  You may also see the following in the Configmgrsetup.log file: <MM-DD-YYYY HH:MM:SS> ***SqlError: [42000][15025][Microsoft][ODBC SQL Server Driver][SQL Server]The server principal ‘<Domain>\Server1$’ already exists. <MM-DD-YYYY HH:MM:SS> SqlExecute < IF NOT… Read more