1. Create a VARA.SQLI in any client other than 0000 (the user must have permission to create this object type)
2. Choose the database type of the Automation Engine database
3. Run the following SQL:
select * from AH where AH_idnr = '<enter runID here>'
select * from AH where AH_name = '<enter object name here>'
The results will include the AH_Client. This is the client where the job ran from.