Altaro Endpoint Backup will log both success or failure events in the Windows Application event log of each Endpoint Agent.
To monitor such events with 3rd party monitoring applications, you will need to define the Event ID details, which you can find below:
All events will come from source "Altaro Endpoint Backup"
Event ID 5200 - Successful Backup event
Event ID 5201 - Failed Backup event
Event ID 5202 - Successful Restore
Event ID 5203 - Failed Restore