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Ask questionsUnknown OS architecture when runnig on non-english OS

Got the following error when running on non-English OS

Machine is not Device Guard / Credential Guard compatible because of the following: Unknown OS, OS Architecture failure..

Reason: the script expects '64-bit' with a lower b, on a German client, the result is '64-Bit' with a capital B

Solution

Change the code in the CheckOSArchitecture function in the \DG_Readiness_Tool_v3.6.ps1 script as following

from $OSArch = $(gwmi win32_operatingsystem).OSArchitecture

to

$OSAch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()

then the script just works fine.

Details here: https://www.verboon.info/2019/05/the-case-of-running-the-device-and-credential-guard-hardware-readiness-tool-and-unknown-architecture/


Document Details

Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.

MicrosoftDocs/windows-itpro-docs

Answer questions DaniHalfin

@alexverboon thanks for raising this issue. This sounds like it might be a product issue more than a doc issue, however, it's good that we're aware so that we can address it properly.

@SteveSyfuhs - should I add a note here?

useful!

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