Hi,
This behavior is by designed since the Administrator password on the master
system must be blank. You can refer to the following KB:
Unable to Change Admin Password Using Sysprep
(
http://support.microsoft.com/kb/200607/en-us)
Hope it helps.
Best regards,
Robinson Zhang
Microsoft Online Support
>From: =?Utf-8?B?UmljaA==?= <(E-Mail Removed)>
>Subject: Can you use adminpassword to sysprep a sysprep'd computer?
>Date: Fri, 14 Aug 2009 06:33:02 -0700
>Newsgroups: microsoft.public.windowsxp.setup_deployment
>I took an image that has a blank password and uses the sysprep.inf file to
>set the password that is encrypted in my sysprep.inf file, then when I go
to
>make a new image based of that and use the same sysprep folder again, then
>load that image it doesn't reset the password. Did I maybe do something
>wrong, or can you not make an image from a computer that was imaged? I
>swear I reset the admin password back to nothing before I used sysprep and
>made the image on my master machine which was loaded with the image. I
>wonder if maybe after it was imaged and sysprep set the admin password, if
I
>can't set it back to blank after and re-sysprep it?