Thought it would be a good idea to share the list of hot-fixes I normally apply when installing a new SCCM system, it can save you a lot of headache and troubleshooting after you install a new SCCM environment.
User state migration fails on a SCCM 2007 SP1 client or on a SCCM 2007 SP2 client after you install security update 974571
http://support.microsoft.com/kb/977203
The Distribution Manager that is in System Center Configuration Manager 2007 SP2 does not honor the “Number of retries” and “Delay before retrying (minutes)” retry settings
http://support.microsoft.com/kb/978021/
You cannot import a driver into an OSD image if the driver is signed for only the Windows 7 operating system in SCCM 2007 SP2
http://support.microsoft.com/kb/978754
Search paths are not discovered when the Active Directory System Discovery process or the Active Directory User Discovery process runs on a System Center Configuration Manager 2007 SP2 site server
http://support.microsoft.com/kb/978757
The “Backup ConfigMgr Site Server” task fails on a ConfigMgr 2007 site server
http://support.microsoft.com/kb/981640
The handle count and memory usage of Smsexec.exe keeps increasing in System Center Configuration Manager 2007 SP2
http://support.microsoft.com/kb/981797
A System Center Configuration Manager 2007 SP2 site server randomly stops processing status messages
http://support.microsoft.com/kb/982399