diff --git a/src/main/csharp/Transport/Tcp/TcpTransportFactory.cs b/src/main/csharp/Transport/Tcp/TcpTransportFactory.cs
index 786e4e2..2907a65 100644
--- a/src/main/csharp/Transport/Tcp/TcpTransportFactory.cs
+++ b/src/main/csharp/Transport/Tcp/TcpTransportFactory.cs
@@ -372,7 +372,8 @@
 
                 if(null == socket)
                 {
-                    throw new SocketException();
+                    const int RTSSL_HANDSHAKE_FAILURE = -2;
+                    throw new SocketException(RTSSL_HANDSHAKE_FAILURE);
                 }
             }
             catch(Exception ex)