http://blogs.msdn.com/b/charles_sterling/archive/2006/10/30/getting-a-team-foundation-server-product-key-to-upgrade-from-workgroup-or-trial-tfs-editions.aspxI have had a couple of customers ask me "Where do i get a product key for Team Foundation Server" and it was pretty embarrasing that i didn't know and had to refer them to either their account manager or Stuart White/Arabind Coomaraswamy. Well that isen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)