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Deleted's avatar
Deleted
Oct 26, 2019

Windows Defender Application Guard with AMD CPU (Pro, 1909 Build) problem

Hello guys,

 

i can't install/ enable the Windows Defender Application Guard in "Apps & Features".

The feature is greyout:

 

 

I don't think it matters that i configure the "Windows 10 Version 1903 and Windows Server Version 1903 Security Baseline (Sept2019Update)" but just in case.

 

Also my CPU is a AMD Ryzen 5 2600 with ASRock B450 Pro4 with latest BIOS (3.50) and i enable all features which are required. Same also for IOMMU support but (maybe related?) msinfo32 hide Hyper-V information if i enable AMD-V:

 

My PC also have the requirements from https://docs.microsoft.com/de-de/windows/security/threat-protection/windows-defender-application-guard/install-wd-app-guard

(16GB RAM, SSD, even IOMMU enabled)

 

I also enable the feature over Powershell and reboot but Edge doesn't show me a "open isolated tab" so i guess it doesn't work.

 

Please help

 

Edit: i also try a InPlace Upgrade (from 1809 to 1909 build) which doesn't help

Windows Defender Application Guard

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    • Deleted's avatar
      Deleted
      Oct 27, 2019
      Hello!

      Nope i don't use insider builds. I just use the official ISO download tool from https://www.microsoft.com/en-us/software-download/windows10 , mount that ISO and start the InPlace upgrade which is only a Windows repair, without delete settings or data. I also don't cut off Internet, so new+missing Updates can be installed.
      After finish, i see that i have the 1909

      But at no time i switch to Insider.
      • HotCakeX's avatar
        HotCakeX
        MVP
        Oct 27, 2019

        Deleted 

         

        Spoiler
        Deleted wrote:
        Hello!

        Nope i don't use insider builds. I just use the official ISO download tool from https://www.microsoft.com/en-us/software-download/windows10 , mount that ISO and start the InPlace upgrade which is only a Windows repair, without delete settings or data. I also don't cut off Internet, so new+missing Updates can be installed.
        After finish, i see that i have the 1909

        But at no time i switch to Insider.

         

         

        Hmm okay, the text in there still says "Windows 10 May 2019 Update" though

        did you have WDAG problem in build 1903 too?

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