Unable to login via Horizon and getting a 500 error when using the CLI

Solution In Progress - Updated -


  • Unable to login via Horizon when users were previously able to login and trying to use any CLI would return a HTTP 500 error code.
WARNING: keystoneclient.auth.identity.generic.base Discovering versions from the identity service failed when creating the password plugin. Attempting to determine version from URL.
ERROR: openstack Authentication failure: Internal Server Error (HTTP 500)
  • Trying to restart the keystone service will fail and there're no meaningful logs in this situation.


  • Red Hat OpenStack 6.0 (RHOS)
  • Red Hat Enterprise Linux 7.1 (RHEL)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content