When trying to load the Devolutions Server web page, the following HTTP Error 500.19 - Internal Server Error is displayed in the browser:
This error is due to the absence of the IIS ASP.NET Core Module (ANCM) and/or the IIS Rewrite Module:
Solution
- From the Devolutions Server Console, edit the instance.
- Select the IIS tab.
- Click on IIS Diagnostic.
- Click on 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.