An agent wake-up call sent from an ePO server node fails in a cluster environment.
The
server.log file records the following error:
Waking up agent HOSTNAME through Agent Handler ePOMachineName.domainname.com.
Waking up agent HOSTNAME.FQDN.com using DNS name
Error while reading TCP/IP response from remote system, possible firewall or agent policy blocking agent to server HTTP response
Waking up agent "MACHINENETBIOSNAME" using NetBIOS
Error while reading TCP/IP response from remote system, possible firewall or agent policy blocking agent to server HTTP response
Waking up agent at IP address xxx.xxx.xxx.xxx