RHN Registration failed with the error "up2date_client.up2dateErrors.CommunicationError: Name or service not known"

Solution Verified - Updated -

Issue

  • Trying to register Red Hat Client with Red Hat Network but getting the following errors:
rhnreg_ks --profilename=zmy12vpvs01 --username=motpg --password=passw0rd
An error has occurred: Name or service not known
  • Getting errors running any of rhn_register, rhn_check, rhn-profile-sync, and rhnreg_ks
  • /var/log/up2date shows following errors :
[root@xxxx ~]# cat /var/log/up2date
[Mon Dec 10 11:27:40 2012] up2date A socket error occurred: (-2, 'Name or service not known'), attempt #1
[Mon Dec 10 11:27:45 2012] up2date A socket error occurred: (-2, 'Name or service not known'), attempt #2
[Mon Dec 10 11:27:50 2012] up2date A socket error occurred: (-2, 'Name or service not known'), attempt #3
[Mon Dec 10 11:27:55 2012] up2date A socket error occurred: (-2, 'Name or service not known'), attempt #4
[Mon Dec 10 11:28:00 2012] up2date A socket error occurred: (-2, 'Name or service not known'), attempt #5
[Mon Dec 10 11:28:00 2012] up2date
Traceback (most recent call last):
  File "/usr/sbin/rhnreg_ks", line 227, in ?
    cli.run()
  File "/usr/share/rhn/up2date_client/rhncli.py", line 66, in run
    sys.exit(self.main() or 0)
  File "/usr/sbin/rhnreg_ks", line 90, in main
    rhnreg.getCaps()
  File "/usr/share/rhn/up2date_client/rhnreg.py", line 295, in getCaps
    s.capabilities.validate()
  File "/usr/share/rhn/up2date_client/rhnserver.py", line 159, in __get_capabilities
    self.registration.welcome_message()
  File "/usr/share/rhn/up2date_client/rhnserver.py", line 50, in __call__
    return rpcServer.doCall(method, *args, **kwargs)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 210, in doCall
    raise up2dateErrors.CommunicationError(e.args[1])
up2date_client.up2dateErrors.CommunicationError: Name or service not known

Environment

  • Red Hat Enterprise Linux(RHEL) 5
  • Red Hat Network(RHN) Classic

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