CM_PROB_FAILED_START on all samples

Hi, I tried using the WinDDK samples by compiling and changing the .inf to
use my device’s VID/PID. The device is a USB game controller. The install is
successful, but using any of the samples except a NULL driver produces error
code 10 CM_PROB_FAILED_START.
The specific place where it fails is that WdfUsbTargetDeviceCreate fails
with STATUS_UNSUCCESSFUL.
Could this be related to PnP behavior? Can I not expect the samples to be
usable on PnP devices? Installing the samples to another USB device lead to
the same behavior.
We will be happy to hear your thoughts

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