In fact we might get more errors if you have the UAC enabled while deploying the Windows 7, You can include one step in the task sequence as run a command line and fill this below in the command line box “CMD /C REG.EXE ADD HKLMSOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem /v EnableLUA /t REG_DWORD /d 0 /f” Note: Not required any options in the options to configure however you can record with a optional Success Code “0 3010”