SQL Always on, TFS 2012/13 and SQL mirroring! Can they live together?

Vimal (Support Escalation Engineer) from our EMEA support team happened to work with a customer who was trying to bring back their SQL mirroring after upgrading TFS to 2012 from 2010 and also SQL to 2012 from 2008 and landed in sequence of issues and they were not able to connect to TFS from Visual…