Asking to Install Vista when using a USB Flash Drive

1. Right click "Components" at the top of the WSIM Answer File pane.

2. Choose Add Synchronous command to Pass 1, WindowsPE

3. In the command line box, type  e:\ask.bat  and click OK. This will tell autounattend.xml to run the ask.bat batch file
before the install actually starts. Ask.bat is just a simple batch file warning that Vista is about to be installed
on this PC (see next). I used the E: drive in the path to the batch file because it is the logical sequence
for the USB flash drive in the PC I was using.
The Hard Drive is C: The DVD Drive is D: The USB Flash Drive would be E:

If you had 2 Hard drives (or 2 partitions), the USB flash drive would be F: -> The HDDs would be C: and D: The DVD Drive is E:
The USB Flash Drive would be F:
(Your USB drive letter will depend on what you have installed in your PC.)

Ask.bat (you can copy and paste into Notepad and save the file as ask.bat)
Copy ask.bat to the root of your USB flash drive.

@echo off
cls
echo.
echo.
echo     YOU ARE STARTING THE INSTALL OF WINDOWS VISTA ON THIS PC
echo.
echo     ALL content on your Hard Drive will be deleted first.
echo.
echo     If you DO NOT want to run this install, REMOVE the USB
echo     Flash Drive from the PC, then power reset the PC (turn off, then on).
echo.
echo     If you DO want to run the install, press the Spacebar to continue.
echo.
pause > NULL
exit