Environments:  ePO 4.x, ePO 5.x

When creating a server task you must configure a schedule - when this task will run.
One of the option is Advance.
Advance need to be configure with Cron syntax.

The Cron Syntax Contain 6 variable and another one optional, Total 7.
The variable is split in to different meaning:

​The definition will be in the following order: 

each variable can be accommodate with more then one option, each option will be divided with a comma (",").

Forward slashes (/) identify increments.

The letter "L" means "last" in the Day of Week or Day of Month fields

The letter "W" means "weekday"

The pound character "#" identifies the "Nth" day of the month

On the day of week you can choose to use number or words, like:
​
0=Sun
1=Mon
2=Tue
3=Wed
4=Thu
5=Fri
6=Sat
1,3,5=Mon,Wed,Fri

In the following example the task will run every hour and 5 minutes:
 
0 5 * * * ?

In the following example the task will run every 5 minutes:
 
0 0,5,10,15,20,25,30,35,40,50,55 * * * ?

In the following example the task will run every 10 minutes:
 
0 0/10 * * * ?

When creating a Tag you will need to configure a unique criteria.

The limit for the Properties to choose is 27.

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
​

​Click Actions

Choose a Name and write a description if you want
Choose the Filter you want, I prefer always to choose the Occurred(UTC) - Is not within the Last X Days.
Click OK to save.

​Make sure the state is Enable

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)
​Click Next

​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.
​
Click Next and save.

See the task you created.
You can also run this task manually by click on the run button

The first time the task will run maybe it will be at the beginning on status waiting, at Server Task Log screen.

Be patient!!!

you can also click on the log(while it on waiting) and you will see it started and working.

​Good Luck!!!