If the satellite server is configured with remote (Kerberos) authentication and selinux is set in Enforcing mode, then while registering the client system, it fails with "Error Class Code: 3" error.

Solution Unverified - Updated -


  • Enabled kerberos authentication on the satellite server. These users can log into the webui successfully, however, when they attempt to register a system with the same kerberos username and password, it fails with error:
An error has occurred: 
Error Class Code: 3 
Error Class Info: This login is already taken, or the password is incorrect. 


  • Red Hat Satellite
  • Remote authentication configured
  • Selinux in Enforcing mode

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