Rules to Better TFS 2012 Migration

• Do you get a new TFS 2012 Server ready?
• Do you know how to upgrade your TFS 2010 databases? (the big one)
• Do you backup your databases for TFS 2012 migration?
• Do you plan your additional steps for TFS 2012 migration?
• Do you turn off Database Mirroring before Upgrading your TFS databases?
• Does your user account have SQL Server System Administrator privileges in SQL Server?