Intune custom ADMX deployment failing?

Asher Jebbink
Dec 21, 2022

You’re trying to deploy a custom ADMX in Intune via the OMA-URI solution. It’s failing to apply with some generic error like “The parameter is incorrect” or “Result:(0x80070057)”. How useful.

The registry contains a little more information about the XML tag, line and position that it failed on:

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