Description of problem:
After upgrading from 3.5 to 3.6, there were two admin users internal and internal-authz. This made logins fail due to the errors below:
2017-01-03 21:05:44,570 ERROR [org.ovirt.engine.core.aaa.filters.BasicAuthenticationFilter] (ajp-/127.0.0.1:8702-7)  User admin authentication failed. profile is internal. Invocation Result code is 0. Authn result code is ACCOUNT_RESTRICTION
2017-01-03 21:05:45,243 INFO [org.ovirt.engine.extension.aaa.jdbc.core.Authentication] (ajp-/127.0.0.1:8702-14)  locking user: admin due to interval failures
Version-Release number of selected component (if applicable):
After the upgrade, the env is now at 3.6.8. Cannot confirm at this point where the env started on 3.5.x.
Have not been able to reproduce this
Please provide complete engine and setup logs.