.Net Remoting

Question

Hi all, i have implemented one remoting application which calls the method from server side and return a string (No code is there on server side),server application is deployed in IIS and it will listen for particular request. client will run the application. within a few second i get the error saying "The underlying connection was closed: Unable to connect to the remote server" i have created virtual directory for this. can anybody tell me why this error come? thanks Miral