After the Agent was successfully installed, the services is started and remains up and running but doesn't register with the Orchestrator.
Reviewing Agent's log, the following error can be seen:
INFO [com.optinuity.c2o.c2oagent.AgentManager] [ InitialHBTimer] Sending HEARTBEAT to domain orchestrator
INFO [com.optinuity.c2o.util.https.InstallCert] [ InitialHBTimer] Opening connection to pam.domain.com:8443...
INFO [com.optinuity.c2o.util.https.InstallCert] [ InitialHBTimer] Starting SSL handshake...
INFO [com.optinuity.c2o.util.https.InstallCert] [ InitialHBTimer] No errors, certificate is already trusted
WARN [com.optinuity.c2o.transport.Client] [ InitialHBTimer] Response status code while sending message to url [https://pam.domain.com:8443/] is : HTTP/1.1 404 Not Found
WARN [com.optinuity.c2o.transport.Client] [ InitialHBTimer] Client error while sending message -
com.optinuity.c2o.util.C2OException: Response status code while sending message is : HTTP/1.1 404 Not Found
Process Automation - All Versions
This error it's probably related to a port issue, here is a list of all ports that Process Automation uses:
Ports Used by CA Process Automation
This issue can also be solved reinstalling the Agent using a different communication method. If currently the Agent is installed using Simplified Communication, then the suggestion would be to uninstall the Agent and install it again selecting Deprecated Communication, forcing the Agent to use port 7003 instead, as explained here: