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Home > Success Center > Network Performance Monitor (NPM) > Repair a failing Job engine

Repair a failing Job engine

Table of contents
Created by John Wallace, last modified by Matthew.Orr on Jan 15, 2018

Views: 4,259 Votes: 8 Revisions: 13


  • *** Always make sure you have a recent BACKUP of SQL and Solarwinds ***
  • Replacing Job Engine and/or Collector .sdf files is a commonly used step to address a number of potential issues with Orion installations, but it is not always required. Kb Article Ref:
  • You should always open a ticket with Technical support first before trying these steps
  • For this example, we found an issue where a customer unmanaged their node and then remanaged the node once maintenance work was completed. 
  • The Re managed node came back as "Unknown" and remained like this for a number of days before customer raised a ticket 
  • There was no error in the logs



NPM version 10.1 and later


  1. Log in to the SolarWinds server hosting your Orion installation as a local administrator.
  2. Stop all Orion services from Orion Service Manager (Start > All Programs > SolarWinds Orion > Advanced Features).

  3. Go to the SolarWinds Installers directory.
    1. For 2003 system: C:\Documents and Settings\All Users\Application Data\SolarWinds\Installers  
    2. For 2008 system: C:\ProgramData\Solarwinds\Installers
  4. You will be brought a screen similar to the following:
  5. Uninstall the following Core services:
    1. Uninstall the Job Engine v2 by right-clicking JobEngine.v2.msiand select Uninstall.
    2. Uninstall the Job Engine v1 by right-clicking JobEngine.msi and select Uninstall.
    3. Uninstall the Collector by right-clicking CollectorInstaller.msi and select Uninstall.
    4. Uninstall the Information Service by right-clicking Informationservice.msi and select Uninstall.

  6. Reinstall the four services: * in each case look for Configuration Wizard Popup in background 
    1. Right-click CollectorInstaller.msi and select Install.
    2. Right-click JobEngine.msi and select Install. Choose Typical when prompted.
    3. Right-click JobEngine.v2.msi and select Install.
    4. Right-click InformationService.msi and select Install.

      Note: Select Complete if prompted for Type of install.

  8. In the event that the installer fails, you will need to re-run the installer in compatibility mode. 
    1. Right-click on the installer.
    2. Select Properties.
    3. Click the "Compatibility" tab.
    4. Under Compatibility Mode, select "Run this program in compatibility mode".
    5. Click Apply.
  9. Re-Run the installer.
  10. Start all Orion services from Orion Service Manager.
  11. Run Configuration Wizard 
  12. *(optional - Reboot server)*



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