Harvester status is 'Unknown' under Netops Portal for a standalone NFA Environment, even though the Reporter is listed as 'Running'.
Component : NQRASA - NETQOS RA STAND ALONE
SNMP Service under "Services.msc" was not set to "Accept packets from any host" and did not contain the IP address of the standalone machine.
The SNMP service on the harvester machine had "Accept packets from" set to 'Localhost'.
Even thought this is a standalone machine, we need to either set this to "Accept packets from any hosts", or specifically add the IP address of the NFA Console machine to the "Accept Packets" list.