Then first thing first, Could you share Harvest startup logs at ng-harvest-files@netapp.com Or you can only check this kind of Rest:AuditLog line when you run the AuditLog object, which would indicate how many instances detected and exported.
time=2025-10-21T19:01:12.123+05:30 level=INFO source=collector.go:601 msg=Collected Poller=sar collector=Rest:AuditLog apiMs=249 bytesRx=26609 calcMs=0 exportMs=1 instances=1 instancesExported=0 metrics=2 metricsExported=0 numCalls=4 parseMs=0 pluginInstances=0 pluginMs=2492 pollMs=2743 renderedBytes=0 zBegin=1761053469379
If this would not help then second step,I would share curl commands which you could send with us for further troubleshoot.