Description of problem:
I install 4.2.1 satellite as disconnected and then try to activate it from
command line against rhn.redhat.com and got error.

Version-Release number of selected component (if applicable):
rhn-satellite-4.2.1-4-redhat-linux-as-i386-4-embedded-oracle.iso

How reproducible:
always

Steps to Reproduce:
1. download rhn-satellite-4.2.1-4-redhat-linux-as-i386-4-embedded-oracle.iso
2. ./install.pl --disconnected
3. set parrent in /etc/rhn/rhn.conf
4. rhn-satellite-activate --rhn-cert /root/cert
  
Actual results:
# rhn-satellite-activate --rhn-cert /root/cert
RHN_PARENT: xmlrpc.rhn.redhat.com

ERROR: unhandled exception occurred:
Traceback (most recent call last):
  File "/usr/bin/rhn-satellite-activate", line 40, in ?
    sys.exit(abs(mod.main() or 0))
  File "/usr/share/rhn/satellite_tools/rhn_satellite_activate.py", line 556, in main
    activateSatellite_remote(options)
  File "/usr/share/rhn/satellite_tools/rhn_satellite_activate.py", line 290, in
activateSatellite_remote
    ret = s.satellite.activate_satellite(systemid, rhn_cert)
  File "/usr/lib/python2.3/site-packages/rhn/rpclib.py", line 593, in __call__
    return self._send(self._name, args)
  File "/usr/lib/python2.3/site-packages/rhn/rpclib.py", line 323, in _request
    raise pe
xmlrpclib.ProtocolError: <ProtocolError for xmlrpc.rhn.redhat.com /rpc/api: 500
Internal Server Error>

Expected results:
smooth activation

Additional info:
I used Red Hat GSS Lab for 4.2 cert (expire in 2008)
When i activate it from RHN webui it works ok.