In Aria Operations, a scheduled snapshot deletion automation job appears as "Completed" in Operations > Automation Central > History, but the task does not actually execute.
Aria Operations 8.x
This behavior is observed when data collection fails for the affected virtual machines or the corresponding vCenter.
If the vCenter integration is in a Warning state, validating the vCenter adapter may show errors such as:
"Wait for response of task 'Test connection' timed out for collector 'vRealize Operations Manager Collector-<Collector name>'"
"Error trying to establish the connection."
Alert: "Adapter instance object is down"