Console only shows 10000 results, which limits the timeframe of data viewed to about a week. In the example reviewed, there were 53000+ events, but the later ones were not viewable in the console. The Download grid option also only downloads the 10000 viewable results.
Symantec Endpoint Security console.
This is working as designed. For performance reasons the results limit is set to 10,000.
To review data past the time period 10,000 results shows, use the "filter by" to pinpoint the records to review. For example a timeframe can be entered.