:) I have solved my problem........... I did at network wizard and got a .mst file My string is this: REG ADD %KEY%\005 /VE /D "AutoCAD2005" /f REG ADD %KEY%\005 /V 1 /D "%CDROM%\install\autocad2005\Temp\netfx.msi /qb REG ADD %KEY%\005 /V 2 /D "%CDROM%\install\autocad2005\ACAD.MSI TRANSFORMS="%CDROM%\install\autocad2005\\acad.mst" /norestart /qb- regs Misch