You can query the database for the past events through Historical Event Query. The events can be queried according to the filter and severity criteria in required batch size. You can export the results in HTML or CSV file format.
To query events in Historical Event Query window:
In the Active Views tab, select Active Views > Event Query. Historical Event Query Window displays. You can also open Historical Event Query window by clicking Historical Query Icon on the toolbar. Click Filter.
In Filter Selection window, select a filter from the list of available filters.
Click Severity Icon. Select Severity values window displays.
Select Severity/s and click OK.
You will need to select From and To Date and Time from From and To drop-down. The Time you select corresponds your system time.
Select a batch size from the Batch size drop down. The events queried displays in the batch size you enter.
If you select a batch size of 100, the first 100 events will be displayed in the window first. After the query is processed, the Begin Searching icon will change to More results icon. You can see next 100 events along with the previous events by clicking More results icon.
Click Begin Searching Icon. The query is processed. You can stop/cancel the search by clicking Cancel search icon.
TIP:
Select HTML or CSV from the drop-down list to export query results.