1. You get below error message when login to portal even though SSO has been configured
  2. Visual Admin > Services > Configuration Adapter > cluster_data > server > cfg > services > 
  3. Click Edit

  4. Select PropertySheet com.sap.security.core.ume.service
  5. Edit ume.logon.security.relax_domain.level. Change value from 1 to 2

  6. Restart SAP