Windows server Task scheduler Monitoring event id 100

The history of a task is tracked by events. These events can be viewed in Task Scheduler for each task to track when the task was registered, run, and when it completed or failed. The progress of a task can be monitored through its history. A task can be controlled by running or stopping the task manually (on-demand).

Event Details :

Product:                 Windows Operating System
ID:                            100
Source:                    Microsoft-Windows-TaskScheduler
Version:                  6.1
Symbolic Name:  JOB_START
Message:               Task Scheduler started the "%3" instance of the "%1" task for user "%2".

Resolve :

This is a normal condition. No further action is required.