private Message Register(string url)
        {
            IClient client = (IClient)Activator.GetObject(typeof(IClient), url);

            clientsList.Add(client);

            //Update local client list on all Clients
            foreach (IClient ic in clientsList)
            {
                ic.updateLocalClients();
            }

            Message mess = new Message(true, server.getBackupServer(), "conected to Server " + server.GetId());

            Console.WriteLine("Client " + client.getUser().getName() + " connected.");
            return(mess);
        }