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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA - Knowledgebase Articles > NetFlow collectors are showing as DOWN

NetFlow collectors are showing as DOWN

Updated December 6th, 2018

Overview

NetFlow collectors are showing as DOWN.

Environment

All versions of NTA

Cause 

After migration, the old and new NetFlow collectors are showing in the Flowengines database table.

OR

NTA uninstalled from a poller in error

Resolution

  1. Remove obsolete collectors from the DB
    1. Take the relevant DB backup.
    2. Open the database manager and run the following command, Select * from Flowengines.

      The results show both the new NetFlow collectors and the old engines.

    3. Click Enable table editing.
    4. Right-click the old engines and select Delete.
  2. Install NTA on the poller where it has been uninstalled.
 

 

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