URL is incorrect or the server is currently not available

while i am connecting through RTC,its showing this error in localhost& Client side also.

"" a server was not found at 'net.[url=tcp://localhost:7046/DynamicsNAV/Service.'either]tcp://localhost:7046/DynamicsNAV/Service.'either[/url] the URL is incorrect or the server is currently not available.""

I enabled the services Dynamics NAV & Net.tcp with "Ntauthority/network service" and i didnt change any cofiguration file"CustomSettings.config".and i configured in server ,a new database and new companys on it.Demo database also is there.i successfully uploaded the Devevloper License file also.