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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA 4.2.3 Administrator Guide > NTA Troubleshooting > Unable to start listening on port

Unable to start listening on port

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Created by Lori Krell_ret, last modified by Alexandra.Nerpasova on Oct 25, 2016

Views: 22 Votes: 0 Revisions: 6

SolarWinds NTA informs you that the port SolarWinds NTA is listening at is being used by another listener. SolarWinds NTA thus cannot collect flows.
Unable to start listening on port x. Waiting until the port is free.

To resolve the issue:

  1. Log in to the device and check what applications use the port SolarWinds NTA is using. Port 2055 is the default.
  2. If the port is being used by another application, close the application.
  3. If the port is being used only by the SolarWinds NetFlow Service, restart the service:
    1. Start the Orion Service Manager in the SolarWinds Orion > Advanced Features program folder.
    2. Check the status of the SolarWinds NetFlow Service.
    3. If it is stopped, select it, and click Start.
 
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