Does intel have sample applications that work? All signs point to the driver refusing the file create though. Have you set a bp on the driver's MJ_CREATE handler to see if it is invoked and what it is returning?
Bent from my phone
From: firstname.lastname@example.org on behalf of email@example.com firstname.lastname@example.org
Sent: Wednesday, August 9, 2017 8:37:36 AM
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] SetupDiGetDeviceInterfaceDetail Function & DevicePath
I am running the application in an administrator console window.
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