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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Active diagnostics upgrade errors on HA system

Active diagnostics upgrade errors on HA system

Updated November 9, 2017


User seeing the Update available option when running the Active diagnostics and when selecting this the system returned an error:

Product: SolarWinds Active Diagnostics -- A newer version of SolarWinds Active Diagnostics is already installed.

Installation success or error status: 1603.


  • NPM 12.1 HA



Active diagnostics not installed on Secondary server.



  1. On primary server copy the Active diagnostics MSI from this hidden folder c:\programdata\solarwinds\installers.
  2. Paste the installer into the same location on the Secondary server.
  3. Run the SolarwindsActiveDiagnostics.msi to install the Active diagnostics on the secondary poller.




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