Just an FYI on this. It was solved. The error was due to the Identifier property in the CAS/ADFS configuration was not correct. It was pretty minor, but the /services/trust in ADFS is not https, but rather http.
Posting this as information for anyone else who may come across this. -- - Website: https://apereo.github.io/cas - Gitter Chatroom: https://gitter.im/apereo/cas - List Guidelines: https://goo.gl/1VRrw7 - Contributions: https://goo.gl/mh7qDG --- You received this message because you are subscribed to the Google Groups "CAS Community" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/apereo.org/d/msgid/cas-user/11074820-4406-4a80-83ff-90d1c326175f%40apereo.org.
