The best way to purge McAfee DLP/HDLP events, For McAfee DLP and HDLP Version 9.3,9.4
On ePO console go to Menu-> Data Protection -> DLP Incident Manager
Go to Incident Tasks
Choose the Filter you want, I prefer always to choose the Occurred(UTC) – Is not within the Last X Days.
Click OK to save.
Go to Menu -> Automation -> Server Tasks
Click on Actions -> New Task
Click on the drop down list next to the Actions, Choose DLP Incident tasks runner
Mark the task you created, click ok.
Make sure that the task is want you need(with the filter you configure)
Configure the schedule to run the task.
If you configure to run the task in my example – Every day at 11:00 PM, The task will purge all the events older then 90 days.
See the task you created.
You can also run this task manually by click on the run button