I purchased a new machine. I've found the product key from my old machine and attempted to use it to activate Visual Studio 2010 on my new machine, but the product key fails to work. I receive the following error:
"This product key cannot be used to extend the use of this product."
I know my key is valid because I've been using Visual Studio 2010 Professional on my last machine. For some reason it doesn't seem to transfer correctly. What can I do?