Hi, Thanks Rod. I've changed the dn and got past that authentication step. Now, I've got a new error message: opensaml::FatalProfileException The system encountered an error at Tue Jul 14 08:20:42 2009 To report this problem, please contact the site administrator at [log in to unmask] Please include the following message in any email: opensaml::FatalProfileException at (https://sp.testshib.org/Shibboleth.sso/SAML2/POST) A valid authentication statement was not found in the incoming message. Has anyone encountered this one? Regards, Baljit