Unable to talk to core, authentication fails.
- Ensure that the agent in question responds to an LDPing or telnet on port 9595.
- If not there is something wrong with the agent.
- Shut down both of the "LANDesk" COM+ components. Now, start them both. If you get an error message, please reboot the core server. If that doesn't help, try this: How to rebuild the LANDesk COM+ Objects
- The "Identity" should be set to a user who has read access to the domain and local admin rights on all client machines.