Possibly encumbered packages a/o RHAS 2.1:

redhat-logos
redhat-artwork (not included in RHES)
anaconda-images
IBM Java2-(*JRE|SDK) licensing.
netscape-(common|communicator|navigator)


RH remark about RHEL 3.0 beta:

"Taroon isn't intended to be self-hosting; the -devel packages are
removed to limit ABI support liability (keep customers/ISVs from using
libraries that we don't want to live with forever)."


Source packages that weren't included in RHN as of the RHEL3 beta1 cycle:
anaconda-product (redhat copyright)
redhat-release-2.9.5AS
redhat-release-2.9.5WS


Packages in RHEL 3.0 AS that are not in RHEL 3.0 WS:

http://www.mail-archive.com/rhel-rebuild-l%40uibk.ac.at/msg00272.html

 amanda-server-2.4.4p1-0.3E.i386.rpm
 arptables_jf-0.0.5-0.3E.i386.rpm
 bind-9.2.2-21.i386.rpm
 caching-nameserver-7.2-7.noarch.rpm
 dhcp-3.0pl2-6.14.i386.rpm
 freeradius-0.9.0-2.i386.rpm
 inews-2.3.5-5.i386.rpm
 inn-2.3.5-5.i386.rpm
 krb5-server-1.2.7-19.i386.rpm
 netdump-server-0.6.10-2.i386.rpm
 openldap-servers-2.0.27-11.i386.rpm
 pxe-0.1-36.i386.rpm
 quagga-0.96.2-4.3E.i386.rpm
 radvd-0.7.2-4.i386.rpm
 rarpd-ss981107-14.i386.rpm
 redhat-config-bind-2.0.0-14.noarch.rpm
 redhat-config-netboot-0.1.1-19.i386.rpm
 tftp-server-0.32-4.i386.rpm
 tux-3.2.14-1.i386.rpm
 vsftpd-1.2.0-4.i386.rpm
 ypserv-2.8-1.i386.rpm

 anaconda-product-3-1AS.noarch.rpm
 comps-3as-0.20031007.i386.rpm
 redhat-release-3AS-1.i386.rpm


http://www.redhat.com/software/rhel/comparison/
RHEL 3.0 AS but not ES includes:

  Supports IBM zSeries, POWER series and S/390 series systems

  Maximum CPUs supported = 5 (as opposed to 2)  (HT cores aren't counted 
  individually).

  Maximum memory supported = unlimited as opposed to 
     32-bit systems: 8GB
     64-bit systems: 16GB



Scientific Linux v3.0.3's release notes include this:

RedHat EULA required changes

	anaconda-images
	redhat-artwork
 	redhat-logos
	anaconda-help
	indexhtml

	RedHat requires that the following rpms be changed as part of
        their EULA (End User License Agreement)