Custom ADMX and ADML for third party partners and MEM


Microsoft has just added a very interesting feature to Microsoft Intune, it now offers us the possibility of importing configuration elements (ADML & ADMX) into MEM. This makes it easier for us to customize products like Mozilla Firefox on Windows 10/11 workstations.

For more information, see this article :

Now I will detail the procedure to follow to exploit this new feature with Mozilla Firefox.



Import ADMX / ADML

  • Connect to MEM console :
  • Go to Devices / Configuration Profiles / Import ADMX / Import

  • Import your files in MEM

  • Your configuration files have uploaded with success

Create configuration profile based on firefox ADMX / L 

  • Connect to MEM console :
  • Go to Devices / Configuration Profiles / Create profile
  • Select  
    • Plateform
    • Profile Type
    • Imported Administrative templates (Preview)
  • And click Create

  • Complete Name and click Next

  • Configure the parameters needed and click Next
    • In my test, i have configured
      • Start Page :
      • Home button

  • Scope tags, click Next
  • Select your device group for assignment and click Next
  • Review + Create : Click Create

Test and validation

  • Sync computer policy and Open Mozilla Firefox


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