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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Discovery Ignore List in the Orion Web Console will not load

Discovery Ignore List in the Orion Web Console will not load

Updated December 21, 2018


When you open the Orion Web Console, click Settings > Network Discovery, and run the Discover Ignore List, the list will not load.


  • Orion Core 2018.3 and Lower 
  • NPM 12.3 and lower


  • The migration to a new hostname and IP address was not performed correctly.


  1. Open a Remote Desktop session to the Orion Platform server.
  2. Open Database Manager.
  3. Click Add default server and select the database.
  4. Run the following queries:
    select * from engines
    select * from DiscoveryIgnoredNodes
  5. Note the EngineID columns and the differences.

  6. Run the following query with the new EngineID data:
    update DiscoveryIgnoredNodes set engineid = $newengineid where engineid = $oldengine


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