As part of the upgrade package, you’ll find a lengthy (but informative) Word document that you would be wise to read before starting your upgrade. We took the trouble to write such a comprehensive document to ensure you had the best upgrade experience possible. Please read it first.
And yes, even though it says “RTM” it’ll work for RC, too. RC is the dress rehearsal for RTM. The only thing changing in the interim are fixes to gnarly bugs and stuff of that caliber.
Upgrading from Team Foundation Server Beta 3 Refresh to the Release to Manufacturing Version (RTM) of Team Foundation Server
This guide provides steps and guidance for completing each of these procedures on single-server and dual-server deployments in addition to guidance for verifying the success of the upgrade process.