Steps to Resolve
For 3.0.0 and higher
Review all active alarms that belongs to the given event type using the Alarms page in the NSX UI or using the GET /api/v1/alarms?status=OPEN,ACKNOWLEDGED,SUPPRESSED NSX API. For each active alarm investigate the root cause by following the recommended action for the alarm. When sufficient alarms are resolved, the alarm service will start reporting new alarms again.
Maintenance window required for remediation. Maintenance window is necessary to address some of the alarms.