I don't know about subscription numbers but I imagine you would be able to log into RHN and unsubscribe the RHEL 5.4 machine and then just run rhn_register on the RHEL4 ES machine. -Adam -- http://maxamillion.googlepages.com --------------------------------------------------------- () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list