I have 2 Remote Desktop Host servers (RD001, RD002) on Windows Server 2008 R2. On RD001 I have installed the RD Gateway manager role and the Remote Connection Broker role. I have configured the CAP and RAP policies (I allow domain users and just to test I allowed all network resources). When i try to connect via the internet, using an RDP client, I get the Network Level Authentication prompt which I enter my domain account, then I get passed through to the windows login screen. I enter my domain account credentials again and it goes immediately to a black screen. After a few seconds it brings a pop up saying: Remote Desktop can't connect to the remote computer for one of these reasons:
1. Remote access to the server is not enabled
2. The remote computer is turned off
3. The remote computer is not available on the network
The strange thing about this is, I can login using the same computer via the internet with different accounts. My account is a domain admin account. I have setup 5 test accounts which are identical and only 3 of them can login while the other 2 cannot (Including mine). I have unlimited connections enabled. I do not have any event errors on either the servers or the client.
I have no idea what the problem could be. Any suggestions would be appreciated.