Summary
The agent is upgraded or installed and appears to run. However, the Cluster Manager does not list the agent.
Solution
Look at the agent logs (/var/log/ecagent*.log on Solaris, /var/log/ecagent*.log on Linux, c:\ECloud\ecagent*.log on Windows) and check at the bottom for any connection errors. Common errors are:
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Unable to resolve the name through DNS. Enter the IP address for the Cluster Manager instead using ecconfig.
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The Cluster Manager name is mistyped. Fix the Cluster Manager name using ecconfig.
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The Agent or the Cluster Manager has a firewall that limits access to port 80 and other ports required by ElectricAccelerator. Set the firewall to allow the agent process to access any port.