Failed to connect to the Edge Transport server ADAM instance with exception %1. This could be caused by a failure to resolve ...

Failed to connect to the Edge Transport server ADAM instance with exception %1.  This could be caused by a failure to resolve the Edge Transport server name %2 in DNS, a failure trying to connect to port %3 on %2, network connectivity issues, an invalid certificate, or an expired subscription.  Verify your network and server configuration.