Windows 7: Sysprep Question

After sysprepping my image, when the system boots up again for the first time after sysprep, I am asked to create a user and provide a password for the new user. I expected to see the Administrator account autologin. Would anyone know why this is happening?

You have to create a temporary user. Steps 9 and 10 here.

Windows 7 Installation - Transfer to a New Computer

Sysprep will always ask for a new user account.
Have you read this tutorial:
Windows 7 Installation - Transfer to a New Computer

OK, no I haven't read that tutorial, but the answers received makes sense. I removed the temporary user account creation in my xml because I thought it was a waste of time. I see now that it is not.

It wouldn't hurt to take a look at that tutorial anyway though. Thank you.