I’m working with SCCM and needed to troubleshoot some client items with task sequences.
Enabling Debug and Verbose Logging
To enable debug logging after installation, create the following registry key:
To enable verbose logging after installation, change the following value to 0. You will need to right click on the @Global key and change permissions to allow the current user to change the data in the key.
64 bit boxes
32 bit boxes
http://technet.microsoft.com/en-us/library/bb892800.aspx (complete list of log files)