On Thu, Mar 12, 2015 at 5:23 PM, Marc Boorshtein <mboorshtein at gmail.com> wrote: > How do I start an IdP initiated sso with idpv3? SP Initiated works great. Try this: https://wiki.shibboleth.net/confluence/display/SHIB2/IdPUnsolicitedSSO I'll be surprised if it doesn't work. Tom