3scale login with Red Hat Single Sign-On fails successful redirect

Solution Verified - Updated -


  • 3scale login screen shows error "Connection failed: Make sure that the authentication service is accessible."
  • Authorized user can authenticate correctly, but not login.


  • Red Hat 3scale API Management (3scale) 2
  • Red Hat Single Sign-On (RH-SSO) 7
  • 3scale with RH-SSO authentication for admin console
  • During login to 3scale admin console right after successful redirect back from RH-SSO login screen.

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