Description of problem: When upgrading to satellite 5.6 from 5.5, install is supposed to be creating a backup in /etc/sysconfig/rhn/backup-$DATE-$TIME (https://access.redhat.com/site/solutions/506363), but the backup 'rhn.conf' and the active 'rhn.conf' have the parameters for ISS and proxy info removed from them. Version-Release number of selected component (if applicable): satellite-5.6.0-20130927-rhel-6-x86_64.iso and install.pl