Problems with osad connections from clients in Satellite 5.4. Every system shows as offline after the upgrade

Issue

• Problems with osad connections from clients in Satellite 5.4. Every system shows as offline after the upgrade.
• Error messages in the osa-dispatcher.log

2010/11/29 10:03:39 +02:00 3823 0.0.0.0: osad/jabber_lib.print_message('Could not connect to jabber server', '')
2010/11/29 10:03:39 +02:00 3823 0.0.0.0: osad/jabber_lib.setup_connection('ERROR', 'Traceback (most recent call last):\n  
 File "/usr/share/rhn/osad/jabber_lib.py", line 254, in setup_connection\n    c = self._get_jabber_client(js)\n  File "/usr/share/rhn/osad/jabber_lib.py",
line 311, in _get_jabber_client\n    c.connect()\n  File "/usr/share/rhn/osad/jabber_lib.py", line 577, in connect\n    jabber.Client.connect(self)\n   
File "/usr/lib/python2.4/site-packages/jabber/xmlstream.py", line 512, in connect\n    self.header()\n  File "/usr/share/rhn/osad/jabber_lib.py", line 1193, in header\n   
  self.process(jabber.timeout)\n  File "/usr/share/rhn/osad/jabber_lib.py", line 1061, in process\n    data = self._read(self.BLOCK_SIZE)\nerror: (104, 'Connection reset by peer')\n')