They do seem to identify the port and/or hub, but if I plug a different device into the same slot, I see not just different VIDs and PIDs, but also different garbage after that. ![]() I've done some research and nobody seems to quite know what the parts behind VID and PID are. The question is: If I take an identical device (mouse in my example) and plug it in, will it get the same or a different Instance ID ? ![]() I already know that this ID changes if I plug the same device into different ports, but that is ok with me. Since serial number is optional (and empty on most devices), I'm looking at the Instance ID. I'm trying to identify a USB device uniquely on a Windows system.
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