version 10.7.2 for Mac broke the ability to connect to an RD Gateway. Rolling back to previous versions restores this ability.
Thanks for the follow-up. I do know they are on a load-balancer gateway but I can also confirm I can successfully connect to the same remote desktop using the same gateway using the Windows Remote Desktop client without issue. I am actually connected to their environment using the Windows Remote Desktop right now. I believe I do have another thread related to this issue that I will update.