Some availability replicas do not have a healthy role
This policy rolls up the connection state of all availability replicas and checks if there are any availability replicas that are not in a healthy role. The policy is in an unhealthy state when any availability replica is neither primary nor secondary. The policy is otherwise in a healthy state.
For this release of SQL Server 2014, information about possible causes and solutions is located at Some availability replicas do not have a healthy role on the TechNet Wiki.