Received a question today from somebody trying to upgrade their Team Foundation Server 2005 from trial to the full version. In this case they are trying to use their volume license. Included below is the table for upgrading Team Foundation Server (TFS) 2005 trial and Team Foundation Server work group edition (wge) to full versions both for volume licensed (vl) and full packaged product retail(FPP)
User Has Installed
If they Purchased via VL
If they Purchased via FPP
TFS 180 Trial
Call PSS for Product Key,
No Un/Reinstall required
Enter FPP Product Key
No Un/Re-Install required
TFS WGE
N/A - No FPP available
VSTS Trial
Un/Re-install Required,
Keys N/A
VS Pro Trial
Note: if you are trying to upgrade Team Foundation Server 2008 make sure and check out Brian Harry's blog post on this topic: How do I upgrade to TFS 2008?
Brian Keller also has a whitepaper on this topic due out any time now!