HTTP Error 500.19 - Internal Server Error

When trying to load the Devolutions Server web page, the following HTTP Error 500.19 - Internal Server Error is displayed in the browser:

HTTP Error 500.19 - Internal Server Error
HTTP Error 500.19 - Internal Server Error

This error is due to the absence of the IIS ASP.NET Core Module (ANCM) and/or the IIS Rewrite Module:

ISS Features Diagnostic
ISS Features Diagnostic

Solution

  1. From the Devolutions Server Console, edit the instance.
  2. Select the IIS tab.
  3. Click on IIS Diagnostic.
  4. Click on Install Prerequisites.
    Install Prerequisites
    Install Prerequisites

If running the PowerShell script from the Devolutions Server Console is blocked due to restrictions on the system, the script is located in the Scripts folder of the Devolutions Server Console installation folder.

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