I have installed Windows Server 2012 and then configured remote applications. At first it was working fine and I could be able to connect remotely and run remote applications from Windows 8 clients. But after few days the following error occurred:
Remote Desktop Connection This computer can't connect to the remote computer. Try connecting again. If the problem continues, contact the owner of the remote computer or your network administrator.
However I still can connect from Windows 7 without any problem. Only Windows 8 has a problem and cannot connect remotely. Neither remote apps nor RDP is working.