1. Don't start pre-OpenEdge 11.6 UBrokers with the
killAgentAfterTimeout property.
Manually edit the ubroker.properties file and remove or comment out
killAgentAfterTimeout property from the ubroker.properties file
2. OpenEdge 11.6 UBrokers will start with the
killAgentAfterTimeout property, where it was first introduced.
3. OpenEdge 11.7 UBrokers, with the exception of WebSpeed Brokers, will fail to start when the
killAgentAfterTimeout property is manually added or erroneously added with mergeprop to the [UBroker] Section
For further information Refer to Article
What is the purpose of the killAgentAfterTimeout property