Alarms and KPIs Guide Alarms and Events Communication Agent, ComAgent (19420-19909) 19831 - Communication Agent Service Operational State Changed 19831 - Communication Agent Service Operational State Changed Event Type: CAF Description: Communication Agent Service Operational State Changed. Severity: Info Instance: <ServiceName> HA Score: Normal OID: cAFEventComAgtSvcOpStateChangedNotify Recovery: This event indicates that a Communication Agent service changed operational state, and typically results from maintenance actions. A service can also change state due to server overload. If the state change is unexpected, it is recommended to contact My Oracle Support for assistance.