LW1, Try suppling the path to the MST file. Here is my command line: %CDROM%\Apps\OFFICEENT2K3\setup.exe TRANSFORMS=%CDROM%\Apps\OFFICEENT2K3\Unattended.MST /qb- Change your line to this: start /wait %systemdrive%\Install\Applications\Office2003\setup.exe TRANSFORMS=%systemdrive%\Install\Applications\Office2003\Unattended.MST /qb-