Verified on CFME-5.7.0.11 & RHV-4.0.5 Tried multiple time to validate C&U credentials, and putting wrong credentials in between.
New changes made to further fix this issue: https://github.com/ManageIQ/ovirt_metrics/pull/16 https://github.com/ManageIQ/manageiq/pull/13148
Verified on CFME-5.7.0.16 Tried multiple times to validate/add RHV-4.0.5 provider, and didn't see the error repeats.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2017-0012.html