First, start by looking at two sysprep files:
- setupact.log and
- setuperr.log
Check these locations for Windows Vista, Windows 7/8/10, Windows Server 2008/2008 R2/2012 /2016 /2019:
- C:\Windows\Panther
- C:\Windows\Panther\UnattendGC
- C:\Windows\System32\sysprep\Panther
For Windows XP/2003, check these files:
- C:\Windows\setupapi.log
- C:\Windows\setupact.log
- C:\Windows\setuperr.log
- C:\Windows\Debug\netsetup.log