Hi All, There is property called KeepAliveEnabled on HttpTransportBindingElement of WS\Basic http binding. This property can be change on the WCF client configuration only in custom binding. On WS\Basic http binding you can reach the KeepAliveEnabled property only using code. Code Example: ServiceHost host; Type serviceType = typeof ( MyService ); host = new ServiceHost (serviceType); ServiceEndpointCollection endpoints = host.Description.Endpoints; foreach ( ServiceEndpoint endpoint in endpoints...