I am trying to consume service using proxy class. i am getting below exception.
"The underlying connection was closed: An unexpected error occurred on a receive."
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
//proxy class initialization
ISessionManager objISessionManager = new SessionManagerClient("https://abcxyz.com/sessionmanager.svc");
LogonRequest objLogonRequest = new LogonRequest();
objLogonRequest.logonRequestData = new LogonRequestData();
objLogonRequest.ContractVersion = APICredential.ContractVersion;
objLogonRequest.logonRequestData.DomainCod