SendSAMLResponseByHTTPPost Fails

SAML for ASP.NET
1

The process fails at :
IdentityProvider.SendSAMLResponseByHTTPPost(Response, ssoState.assertionConsumerServiceURL, samlResponseXml, ssoState.relayState);
with error
“Failed to send SAML response by HTTP post”

2

Please enable SAML trace and send the generated log file as an email attachment to support@componentspace.com mentioning this topic.
http://www.componentspace.com/Forums/17/Enabing-SAML-Trace