How to troubleshoot the Orchestrator installation error “an error occurred while configuring IIS”

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How to troubleshoot the error received while attempting to install Orchestrator, which states “an error occurred while configuring IIS”?

Resolution:

  1. Ensure to fulfill every software requirement.
  2. Ensure to fulfill every prerequisite.
  3. Ignore the steps related to executing the InstallRolesAndFeatures.ps1 power-shell script.
    • Instead of executing through PowerShell scripts, you can configure it manually using the steps mentioned here.
  4. Check all the prerequisites, especially: URL Rewrite, Necessary Server Roles, Log on as a batch job right for Application Pool user.
  5. Ensure that the URL Rewrite is also installed
  6. Make sure all the below are installed:
    • IIS 7.5 and above.
    • After verifying the above, follow up with the installation steps using the MSI installation file
  7. If the prerequisites are met, check if the UiPath Orchestrator Application pool is run as a custom account. If so, apply the 'Application pool custom account' with 'domain\username'.

Ensure the UserName is domain\username, not the one shown in the screenshot.
For example, the username will be “domain name\user name”.
  1. Please check if the default name of the application pool was changed from "UiPath Orchestrator" to a custom name.
    If changed, the application pool name has to be changed back to "UiPath Orchestrator" for an upgrade to work. The application pool name can be changed by right-clicking one.


If none of the steps above work, delete all the pre-existing self-signed certificates in the system & remove them from the Personal & Trusted Root certification folder. Create one more certificate self-signed certificate & reinstall the Orchestrator.