internal static bool EnsureReplyTo() { OperationContext context = OperationContext.Current; if (context.IncomingMessageHeaders.ReplyTo == null) { if (TD.DiscoveryMessageWithNullReplyToIsEnabled()) { EventTraceActivity eventTraceActivity = EventTraceActivityHelper.TryExtractActivity(context.IncomingMessage); TD.DiscoveryMessageWithNullReplyTo(eventTraceActivity, context.IncomingMessageHeaders.MessageId.ToString()); } return(false); } return(true); }