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# Checklist: Stopping Event Ingestion

Before upgrading your environment, complete the following procedures in the listed order:

| Task | See
--- | --- | ---
| Stop the database event consumer (the Kafka Scheduler) so you can record its offsets | Stopping the Database Event Consumer
| (Conditional) If you have Intelligence deployed, monitor the Intelligence event consumers to stop them when they catch up to the database event consumer | Stopping the Intelligence Event Consumers
| Prevent the database from consuming duplicate events | Preventing the Database from Consuming Duplicate Events
| Continue with the upgrade process for the ArcSight Platform | Upgrading the ArcSight Database
| Upgrade your ArcSight Platform environment | Upgrading Your Environment
| Restart the database watchdog service and the event consumers | Restarting the Event Consumers