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Home > Success Center > Failover Engine (FoE) > Unable to install on Additional Polling Engine

Unable to install on Additional Polling Engine

Created by Interspire Import, last modified by MindTouch on Jun 23, 2016

Views: 780 Votes: 1 Revisions: 12


Installation of the Failover Engine on Additional Polling Engine fails.


  • FoE any version
  • Orion Additional Polling Engine


During installation, the installer package of FoE checks for the existence of IIS. If IIS is not detected, the installation will fail. Orion installation package does not install IIS components on Additional Polling Engine.


To resolve the issue simply install default IIS components following instructions from Microsoft and depending on the environment and Windows version.

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