Thanks, You have provided an answer that sounds like it explains the situation!

This then opens additional questions:

What are you trying to accomplish when changing your MAC address? and is there another method that will allow someone to actually spoof an address to match another client?

If you are trying to cloak your own identity and not leave a recognizable trace, then spoofing you mac through the registry is a viable alternative. However, if your goal is to bypass the MAC filter of an AP, then you are out of luck with this method.

A searching we will go....

Barax