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App Control: How to Configure Alternative IIS AppPool for File Downloads

App Control: How to Configure Alternative IIS AppPool for File Downloads


  • App Control Server: All Supported Versions
  • IIS Web Server: All Supported Versions


  • Web console pages fail to load with 500/503errors:
500 Internal server error
503 Service is unavailable


The IIS DefaultAppPool cannot handle all incoming requests for file downloads and fails resulting in the web console not loading


Setup an alternative IIS application pool for file downloads with these steps:

  1. Open IIS manager (inetmgr) > Expand the web server name in the left menu options
  2. From the left menu right-click on "Application Pools" > Add Application Pool and use the following:
    • Name: Hostpkg (or another preferred one)
    • All other values at defaults.
  3. Next, in the list of Application Pools > right-click the newly created "Hostpkg" > Advanced Setting
  4. In the Advanced Settings scroll down and update the following:
  5. From the left menu > Expand Sites > Parity Console Web
  6. Right-click the "Hostpkg" folder > Convert to Application
  7. Within the "Add Application" window > Click the Select button > Change the Application Pool to use "Hostpkg" > OK
  8. Restart the IIS web server from the Actions menu or from CMD with iisreset

Additional Notes

The Physical Path for the newly created Application Pool should default to the directory:
C:\Bit9\Parity Console\WebUI\html\hostpkg

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