Verified on this build
Red Hat Enterprise Virtualization Hypervisor release 7.0 (20141006.0.el7ev)
ovirt-node-3.1.0-0.20.20141006gitc421e04.el7.noarch
"Enter a password for the admin user" here in password page.
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/RHEA-2015-0160.html