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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > All interfaces showing status as Unknown

All interfaces showing status as Unknown

Updated August 5, 2016

Overview

All interfaces show status as Unknown and this is affecting all devices. 

Environment

All NPM versions below 12.x

Cause 

Licensing issues.

Resolution

  1. Download License Manager.
  2. Sync all licenses.

 

For Version 12.x and above https://YourServer/ui/licensing/license-manager

 

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