You can only use that option when you're installing Windows via winnt32.exe: You're probably better off specifying UnattendMode=DefaultHide in your answer file and then leaving out the ComputerName, FullName and OrgName entries. That way you'll be prompted for this information during setup. It sounds like the installation is rolled back. By default Office 2003 creates installation log files in the %TEMP% folder. See if there's any error messages in those. You may need to specify the full path to the transform file, but I'm not sure about that. Alternatively, use the /qr switch instead of /qb- to get some more information during Office setup.