Eric Peterson wrote: > You need to install the 7.3 redhat-release RPM. That did it! Thanks for the help Eric. For the record, with 7.3 hard-coded in /etc/yum.conf I ran: # yum install redhat-release Gathering package information from servers Getting headers from: Red Hat Linux 7.3 base Getting headers from: Fedora Legacy utilities for Red Hat Linux 7.3 Getting headers from: Red Hat Linux 7.3 updates Finding updated packages Downloading needed headers Resolving dependencies Dependencies resolved I will do the following: [update: redhat-release.noarch] Is this ok [y/N]: y Getting redhat-release-7.3-1.noarch.rpm Calculating available disk space - this could take a bit redhat-release 100 % done Updated: redhat-release.noarch Transaction(s) Complete Then I restored the original yum.conf (changing the hard-coded value back to "$releasever") and Yum now correctly identifies the system. # yum check-update Gathering package information from servers Getting headers from: Red Hat Linux 7.3 base Getting headers from: Fedora Legacy utilities for Red Hat Linux 7.3 Getting headers from: Red Hat Linux 7.3 updates Finding updated packages Downloading needed headers <lots of stuff>