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Quick workaround for ADK 1703 issue

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If you read about the issue with the ADK 1703 release that Aaron blogged about here, you know that there’s an issue installing the new ADK on Windows 10 and Windows Server 2016 if you are running Secure Boot (which you should be running and shouldn’t turn off).  This is due to an improperly signed WIMMOUNT driver included in the ADK; we’re working on finding a way to publish an updated driver that is signed.  There are two symptoms:

  • A popup from the Program Compatibility Assistant during the ADK installation.

  • A failure to mount any WIMs after ADK 1703 is installed.  That manifests itself in MDT like this:

    image

The interesting part of this:  The driver included in the OS itself would work fine; it’s already properly signed.  So just use that one instead of the one in the ADK.  There’s probably several ways to go about this, but I’ll stick with simple:  Use REGEDIT.EXE, navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WIMMount, and edit the ImagePath value.  It starts off like this:

image

Change the ImagePath to instead be:

image

And presto, now you can mount WIMs again:

image

Comments

  • Anonymous
    May 16, 2017
    Same issue also with App-V sequencer from ADK 1703.
  • Anonymous
    May 16, 2017
    What a mess!
  • Anonymous
    May 16, 2017
    Thanks Michael,you should be back on track in the MDT-/ConfigMgr Team!
  • Anonymous
    May 17, 2017
    Thanks Michael!
    • Anonymous
      May 17, 2017
      WinPE has had a worse problem and for a longer period... Here is how to get WinPE 1703 working on an 802.1x protected network A year is a really long time to wait for a fix to this problem, eh?https://social.technet.microsoft.com/Forums/en-US/289f8703-d0f4-441c-bb7e-63e71ae40b57/winpe-10-1703-and-8021x-problem-with-netsh?forum=win10itprosetup
      • Anonymous
        May 17, 2017
        Has the 802.1x problem been reported to Microsoft?Posting to a forum is not the same as reporting a bug.
        • Anonymous
          May 21, 2017
          Yes.
  • Anonymous
    May 21, 2017
    Michael, thank you for this post. I couldn't figure out why the "Upgrade to 1703" Task Sequence worked on every pc but my own. Now I do ;)
  • Anonymous
    May 29, 2017
    Since Windows 10 there are new issues in every release of ADK. USMT issue, schema.dat issue, dism import drivers issue and now this issue. What a shame!
    • Anonymous
      June 05, 2017
      Has the DISM issue with windows 7 drivers been resolved with this release?