MDT: Capture and sysprepped reference image

  1.    04 Jul 2018 #1

    MDT: Capture and sysprepped reference image


    Hello All,

    This is my first post in this forum. However I have already followed the excellent tutorials about Windows 10 customization and used some tricks. Now I need some help.

    I use MDT 8450 to create a reference image for Windows 10 Pro 1803 with Sysprep. After installing the reference image with a MDT deploy task sequence - task most things are automated.

    I run sysprep /generalize /oobe /shutdown

    Log in in audit mode and customize the Administrator profile. After that I run sysprep again.

    sysprep /generalize /oobe /shutdown /unattend:C:\folder/copyprofile.xml

    the unattend xml file has only the copyprofile true switch in it.

    Once the system is shut down (VM) I boot into PXE and start the standard capture task of MDT. I switched off the Syspre section of the MDT task since I already ran Sysprep. The wim file is created fine.

    After that re-start the VM (not the captured wim file) and now it comes what iritates me. Windows 10 starts a bit slower and ends up at the login screen and not with the OOBE process. I see the same if I replace instal.wim of the Windows 10 ISO with the captured WIM and start the ISO in a VM it installs Windows 10, but ends up at the login screen too and not going through OOBE process.

    I would expect after I captured a WIM file, the VM would start with the OOBE process since sysprep run with shutdown option. The only thing between was I PXE booted and captured it. It seems during the capture process something has happened which might Windows think OOBE process is already done. I have to revert to last snapshot and then Windows does the OOBE process.

    Thanks

    Edy
      My ComputerSystem Spec

  2.    05 Jul 2018 #2

    I resolved it, it was an issue with the unattend.xml file, but not the unattend.xml I used for copyprofile.

    In MDT the capture task also has an unattend file from the OS and this caused the trouble. I edited that unattend.xml file and deleted section 7 OOBE.

    Once the capture process was finsihed, Windows 10 started the OOBE process.
      My ComputerSystem Spec


 

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