When registering my system to Red Hat Network or RH Satellite, why do I get "Error Class Code: 2001"?

Solution Verified - Updated -


  • When registering a system, following error message is displayed:
Error Class Code: 2001
Error Class Info: 
         We're sorry but we were not able to recognize your login and password
         combination. If you have an existing user account, please ensure that
         you are using the account login name and not the email address
         associated with it to log in. To create a login if you do not have
         one, please visit -- https://rhn.redhat.com/rhn/sales/LoginInfo.do --.

To complete the process, run rhn_register on the command line and enter
your valid username and password when prompted.


  • Red Hat Enterprise Linux 5
  • Red Hat Network (RHN) Classic
  • RHN Satellite 5 and above

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