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Home > Success Center > Netflow Traffic Analyzer (NTA) > Your NetFlow License is currently unavailable

Your NetFlow License is currently unavailable

Updated August 17, 2016


When navigating to the NTA summary page, the following error is displayed:

NetFlow Service inaccessible. Verify that service is 'Started'


When drilling down into any interface, the following error is thrown:

Your NetFlow License is currently unavailable

Can't obtain license information.



NTA 4.2


  • Additional Web Server loses connectivity.  



Resolution 1:


  1. Issue fixed in NTA 4.2.1. This will require NPM 12.0.1 to be installed first.


Resolution 2:


1. If you do not want to upgrade reset IIS on the additional web server for a temporary fix. 




Last modified
09:28, 15 May 2017