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Home > Success Center > Network Performance Monitor (NPM) > SolarWinds agent does not start due to a certificate mismatch

SolarWinds agent does not start due to a certificate mismatch

Updated: November 2, 2017


The SolarWinds agent does not start due to certificate mismatch.


  • NPM 12 or higher


  • Server is using an old certificate or the server certificate was replaced. 
  • The client certificate does not contain a valid UPN or does not match the client name in the logon request.


  1. Open the Control Panel. 
  2. Uninstall the SolarWinds agent.
  3. Log in to the Orion Web Console. 
  4. Click Settings > All Settings.
  5. Under Node and Group Management, click Manage Agents.
  6. Downloaded and install the SolarWinds agent.


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