Rules to Better TFS 2015 Migration

• Do you disable connections for TFS 2015 migration?
• Do you do a quick test after the TFS 2015 migration finishes?
• Do you get a developer to test the TFS 2015 migration?
• Do you have a rollback plan for TFS 2015 migration?
• Do you know how to upgrade your TFS2013 Update 4 system? (the big one)
• Do you know to upgrade your third party tools for TFS 2015?
• Do you know your TFS 2015 migration choices?
• Do you plan your additional steps for TFS 2015 migration?
• Do you run your dog food stats (before TFS 2015 migration)?
• Do you run Dog Food Stats (after TFS 2015 migration)?
• Do you turn off Database Mirroring before Upgrading your TFS databases?
• Do you verify that your server meets the minimum requirements?