Ntupgrade and Hibernation is no secret: NtUpgrade: Specifies whether Setup upgrades a previous version of Windows NT 3.51, Windows NT 4.0, Windows 2000, Windows XP, or the Windows Server 2003 family Hibernation: Specifies whether to enable the hibernation option in the Power Options control panel. You can find lots of other useful options in the ref.chm file (in deploy.cab) should you want to use them