Before you begin, ensure that your system meets the requirements listed below.
You can install Red Hat Application Server and Red Hat Developer Suite only on Red Hat Enterprise Linux 3 (RHEL3). Verify that you have this version of Red Hat Enterprise Linux running on your target hardware.
You should update your system to the latest packages available with Red Hat Network (RHN). See the Red Hat Network documentation at http://rhn.redhat.com/help/ for details.