First published on MSDN on Oct 30, 2009
Hello, my name is Martin Borve. I am a software developer on the Windows USB team. In this post I will provide a detailed descript...
Updated Oct 12, 2018
Version 2.0
Blog Post
For Ronn, I think you want to set the registry keys to ignorehwsernum. It has the effect of assigning static COM ports for devices with the same PIDs/VIDs.
https://learn.microsoft.com/en-us/windows-hardware/drivers/usbcon/usb-device-specific-registry-settings