If you are seeing NFA unreachable in the NetOps Portal's System Status page, here are some steps to resolve this.
If you are seeing NFA unreachable in the NetOps Portal and you know the rest of the OData views are working with NFA (Manage Monitoring, Application Settings, Watchdog Settings, Harvesters), then try these few steps.
1. Check the D:/CA/NFA/reporter directory for the Watch Dog log. Check for any errors. If you find errors, please contact Broadcom Support.
2. If there are no errors, please run: mysql reporter -t -e "truncate table harvester_status;"
3. Then restart the NetQoS Reporter/Analyzer Watchdog Service. Give it 20 minutes and it should go green.