To verify the version of the NFA Console server installed, Log in to NFA and click on the About link on the upper right hand part of the NFA page.
The version will be displayed like below:
To verify the version installed on the Harvester servers, RDP to the Harvester server, open a command prompt, and run:
select * from revision_history;
It will display an output like below.
The below version would be 9.3.6.