Administrator Account Disabled after sysprep and capture task sequence in MDT 2010

Hi

We are currently migrating from Windows XP to windows 7. As part of our migration we have 5 base Images (for different areas of the business)

Here is what we are doing:

Create a reference machine with the source files for windows 7 Pro x86

Install applications as part of the Task sequence to build a reference machine.

Make the updates to the machine - required for the build.

Run the Sysprep and capture template to take the capture of the Reference machine.

Import the Capture into the Operating system folder within MDT2010

Create a task sequecne to deploy the image.

Deploy the Image for Testing.

Deploy the image to a machine

Update the machine with the defects

Re Capture the deployed machine and call it ver2.wim

re deploy ver2.wim

Testers test

Defects logged + additional user settings to be captured in the build

Re capture and sysprep runs says the capture has been succesful however after a reboot the administrator account is disabled.

We cant seem to capture anything from here on in. Nothing has been changed in the unattend.

Autologon is set to enable the administrator account and the password is set to blank as this is then handled by policy when the machine is joined to the domain - we have not enabled the unattended join to the domain at this point in time but it will be for deploying the image.

Have we got our image strategy wrong? does the same rule apply about sysprep running more than 3 times on a single machine if it is captured and redeployed after a sucessfully sysprep to the same hardware or even different hardware.

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