MFA/OTP authentication not working with RH-SSO LDAP user federation

Solution Unverified - Updated -

Issue

  • Activating MFA (Multi Factor Authentication) in RH-SSO with users from LDAP user federation provider is failing with below error during login :
13:07:01,223 WARN [org.keycloak.services] (default task-6) KC-SERVICES0013: Failed authentication: org.keycloak.models.ModelException: Not possible to write 'required action CONFIGURE_TOTP' when updating user 'testuser'
  • When I want to login with a LDAP federated user not having an OTP registered and I want to register my device during login (as part of the OTP Form Authentication) login fails.

Environment

  • Red Hat Single Sign-On (RH-SSO)
    • 7.x
  • LDAP

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