@Andrew Masse, Thanks for the update. I am glad the issue is resolved. Here, please let me write a brief summary to help others quickly find the solution.
Issue:
Get 'File Download Error - Failed to dynamically fetch target download uri. Error details: [object Object]' when attempting to config an apple MDM push cert in the intune admin centre.
Cause:
The MDM authority is not set as Intune
Resolution:
Thanks for your time and have a nice day!
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