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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Delete Polling Engines

Delete Polling Engines

Created by John Salvani, last modified by Alexis Pasao on Sep 19, 2018

Views: 5,348 Votes: 9 Revisions: 9

Updated September 19, 2018


If there are any polling engines in your SolarWinds environment that are not currently assigned to any monitored objects, you can delete them directly from the Polling Engine details view.


  • This method for deleting polling engines from your SolarWinds environment is only available for polling engines to which there are no longer any assigned objects for monitoring.
  • If you want to delete an existing polling engine to which monitored objects are currently assigned, use Node Management to reassign monitored objects to other polling engines, as necessary, and then delete the polling engine as indicated in this procedure.


NPM 11.X and later


  1. Log in to the Orion Web Console as a user with administrative rights.
  2. Click Settings in the top right of the web console.
  3. Click Polling Engines in the Settings group.
  4. If the Elements listing for the polling engine you want to delete shows 0 elements assigned, click Delete unused polling engine.
  5. If not move the elements to another polling engine before deleting the engine
  6. Confirm the polling engine deletion by clicking Yes, delete.
  7. If the polling engine shows  red - not in sync, it is likely not communicating and will have to be manually removed from the database
  8. Make sure you have a current backup of the database
  9. Open Database Manager
  10. Click Add default server
  11. Expand to show tables
  12. Expand AllEngines (If NPM version is 12.0 and UP, the table is named as Engines)
  13. Execute query
  14. Click - Enable table editing
  15. Right-click the row containing the engine name
  16. Delete the row



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