On Wed, Nov 9, 2011 at 8:41 AM, Marko Pipan <pipan.marko at gmail.com> wrote: > > I'm trying to manually trigger an UsernamePassword login authentication > on the Identity Provider... Why don't you simply push an unsolicited response directly to the SP? https://wiki.shibboleth.net/confluence/display/SHIB2/IdPUnsolicitedSSO Tom