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NTA Summary slow performance: Recent NetFlow Posts Resource

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Created by Jesus Relingado, last modified by Aileen de Lara on Jul 11, 2016

Views: 56 Votes: 0 Revisions: 3

Updated July 11, 2016


This article provides steps to resolve the issue when NTA performs slow. See


  • NPM version 11.5.3
  • All NTA versions


1. Check OrionWeb.log for the error below:

2016-06-03 15:54:53,992 [63] WARN Orion_TrafficAnalysis_Resources_NetFlowTrafficSummary_Thwack - System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

2. Verify with Customer if they can ping the IP or if it is blocked.

3. Edit NTA Summary View by clicking on Customize Page and delete Recent NetFlow Posts Resource. 



Last modified
19:23, 10 Jul 2016