windows 11 CmDiag DevelopmentMode -On invalid

[Chordp]

windows 11 CmDiag DevelopmentMode -On invalid

[mrexodia]

Windows 11 was not tested. What is the output of the command?

[Chordp]

no output

[mrexodia]

And what about CmDiag?

[Chordp]

PS C:\Users\Chord> CmDiag DevelopmentMode -On
PS C:\Users\Chord> CmDiag Debug -On -Net

PS C:\Users\Chord> CmDiag DevelopmentMode -On
PS C:\Users\Chord> CmDiag DevelopmentMode -On
PS C:\Users\Chord> CmDiag DevelopmentMode -On
PS C:\Users\Chord>
PS C:\Users\Chord>
PS C:\Users\Chord>
PS C:\Users\Chord> CmDiag Debug -On -Net

PS C:\Users\Chord> CmDiag DevelopmentMode -On
PS C:\Users\Chord> CmDiag Debug -On -Net

PS C:\Users\Chord> CmDiag Debug -On -Net

PS C:\Users\Chord>
PS C:\Users\Chord> CmDiag -h

CmDiag
PS C:\Users\Chord> CmDiag

PS C:\Users\Chord>

[mrexodia]

And Windows Sandbox is working correctly?

[Chordp]

And Windows Sandbox is working correctly?

yep

[mrexodia]

Maybe Microsoft removed the CmDiag functionality. You can try to use procmon and filter on CmDiag.exe maybe you can see something obvious.

Which version of windows 11 are you on exactly?

[Chordp]

windows 11 21H2 22000.856

[mrexodia]

Seems to work fine here:

Did you run procmon?