TFS 2010 Beta 2 to RC Upgrade Guide
While every attempt has been made to ensure a smooth upgrade process from previous versions to Microsoft Team Foundation Server 2010, there are some specific action items you should follow when upgrading from Beta 2 to the Release Candidate (RC). Please read this document before starting the upgrade to the RC. Note that some of the steps in this document are conditional based on the Beta 2 configuration you are currently running.