Below are the locations of the SCCM 2007 Client log files as a Task Sequence progresses from WinPE to the full version of Windows.
Windows PE before HDD format:
X:\Windows\Temp\smstslog\smsts.log
Windows PE after HDD format:
X:\smstslog\smsts.log and copied to C:\_SMSTaskSequence\Logs\Smstslog\smsts.log
Full Windows before SCCM Client:
C:\_SMSTaskSequence\Logs\Smstslog\smsts.log
Full Windows post SCCM Client:
C:\Windows\System32\ccm\logs\Smstslog\smsts.log
Full Windows (x64) post SCCM Client:
C:\Windows\SysWOW64\ccm\logs\Smstslog\smsts.log
After Task Sequence finishes (x86):
C:\windows\System32\ccm\logs\smsts.log
After Task Sequence finishes (x64):
C:\Windows\SysWOW64\ccm\logs\smsts.log
/ JC