Im have same problem! And 2 days of search give me result! Next content of winnt.sif gives repir promt and full autoinstall. You may change any param in nlite, but before create iso must correct winnt.sif PS you must replace regional params! PPS sorry for my worst english [Data] AutomaticUpdates="No" Autopartition=0 MsDosInitiated=0 UnattendedInstall="Yes" EulaComplete="1" [systemRestore] [GuiUnattended] AdminPassword=* TimeZone=170 OEMSkipRegional=1 OemSkipWelcome=1 [shell] DefaultStartPanelOff="Yes" [Components] [userData] ProductID=*****-*****-*****-*****-***** ComputerName=XPSP3 FullName="User" [RegionalSettings] LanguageGroup=5 Language= "0419" [Networking] InstallDefaultComponents="Yes" [WindowsFirewall] Profiles=WindowsFirewall.TurnOffFirewall [WindowsFirewall.TurnOffFirewall] Mode=0 [identification] JoinWorkgroup="WORKGROUP"