Just fyi, since yesterday evening RHEL 6.3 is available on rhn, but I see no announcement yet. [root at rhel6-test ~]# uname -a Linux rhel6-test 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux [root at rhel6-test ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.3 (Santiago) Rainer