Description of problem:
When attemting to register with rhn using up2date, I get this error message:

Problem registering system:

Error Message:
Your account does not have access to any channels matching (release='0.94',
arch='athlon-redhat-linux')
If you have a registration number, please register with it first at
http://www.redhat.com/apps/activate/
and then try again.
Error Class Code: 19
Error Class Info: Architecture and OS version combination is not supported.
Explanation: 
     An error has occurred while processing your request. If this problem
     persists please enter a bug report at bugzilla.redhat.com.
     If you choose to submit the bug report, please be sure to include
     details of what you were trying to do when this error occurred and
     details on how to reproduce this problem.


Version-Release number of selected component (if applicable):


How reproducible:
Run up2date on fresh install and attempt to register system

Steps to Reproduce:
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Actual results:


Expected results:


Additional info: