CODE [unattended] UnattendMode=FullUnattended UnattendSwitch=yes OemSkipEula=Yes OemPreinstall=No TargetPath=\WINDOWS Hibernation=1 DriverSigningPolicy=ignore WaitForReboot=no OemPnPDriversPath=\drivers\000_mobo;\drivers\001_network;\drivers\002_audio;\drivers\003_video I think "OemPreinstall"=No is not good => "OemPreinstall=Yes"