You would like to know which computers ran a certain task.
ITMS 8.x
There is a report that shows something close to what you are looking for by default.
In the SMP Console, go to: Reports>All Reports>Software>Delivery>Execution Attempts.
You will see the following:
Note:
Please note that this information will eventually be deleted based on your settings at Settings>All Settings>Notification Server>Task Settings>Clean up Task Data.
Please keep in mind that "Clean up Task Data" is essential to a healthy system. Failure to clean up task data will result in poor system performance.