Issue: - Automatic failover of AlwaysOn  Availability group from one node to another has been notified in IaaS Environments. Its resolution is in these 2 links Link:- http://blogs.msdn.com/b/clustering/archive/2012/11/21/10370765.aspx http://blogs.msdn.com/b/alwaysonpro/archive/2014/06/02/iass-with-sql-alwayson-tuning-failover-cluster-network-thresholds.aspx