Central Authentication Service (CAS) in CA Unified Self Service (USS) does not work

Document ID : KB000121508
Last Modified Date : 14/12/2018
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Introduction:
Central Authentication Service (CAS) in CA Unified Self Service (USS) does not work
Question:
We are implementing Central Authentication Service (CAS) in CA Unified Self Service (USS).  We are working with Control Panel, making settings in Portal/Configuración/Autenticación/CAS and portal-ext.properties configuration file. When we try to Access to USS, USS redirect to CAS authentication,we authenticate against my CAS Server and I'm redirected to USS. However, at this stage USS shows the homepage. How to solve this?
Environment:
Unified Self Service (USS) 14.1 GA and later
Answer:
CAS is not certified and not tested with USS. Liferay is providing these options but not certified with USS. We can use only EEM, LDAP and SiteMinder and these are verified and certified hence these are documented.