We have an issue where NetOps failed to generate a utilization event for an interface. We confirmed that the interface was in the correct group the is assigned to the utilization profile.
DX NetOps Performance Management fails to raise Threshold Violation Event.
A database node went down during the run of an Event processing thread.
All supported DX NetOps Performance Management releases
Restart the Data Aggregator. This will issue the Event release thread again and resolve the problem.