In numerous circumstances you may need to clear a robots niscache as a intermediate step.
The majority of probes create files in a probes niscache directory.These files are used within the internal UIM discovery_server processes to see what a device is monitoring and it will then be added into the CM_* database tables.
Below are screen captures of the above steps 3,4,5 from 8.5.1 machine
Niscache, what it is, what it does
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