Thanks. I figured it out.. I was posting the SAML response to ssostg.blackboardconnect.com instead of sso.blackboardconnect.com for the portal. -- View this message in context: http://shibboleth.1660669.n2.nabble.com/IdP-for-Blackboard-Connect-tp7581586p7604123.html Sent from the Shibboleth - Users mailing list archive at Nabble.com.