1. Create a new search
2. Go to Add | Subsystem | AD Query
3. Keep the scope all Active Directory Objects
4. Go to port and put in 636
5. If needed go to the When tab and put in the desired date/time range (Default is this week).
6. Go to the Layout tab and add Authentication port column so you see this in the results also add any other columns you would like to see on the search.
7. Run the search for the results.