HTTP Error 500.32 - Failed to load ASP.NET Core Hosting how can I solve this?

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HTTP Error 500.32 typically indicates an issue with the .NET Core Hosting Bundle installation. Here are some steps you can follow to troubleshoot and resolve this issue:

  1. Check if the .NET Core Hosting Bundle is installed: Open "Programs and Features" in Control Panel and check if the .NET Core Hosting Bundle is installed. If not, download and install the latest version from the Microsoft website.

  2. Check the IIS Handler Mapping: Ensure that the IIS Handler Mapping for the application pool is correctly set up. Open the IIS Manager, select the website/application pool in question, and open the Handler Mapping section. Verify that the correct handler mapping is configured for the ASP.NET Core application.

  3. Check the ASP.NET Core module: Ensure that the ASP.NET Core module is installed and registered with IIS. You can do this by running the following command in an elevated command prompt:

    css
    dotnet --list-runtimes

    This will display a list of installed .NET Core runtimes. Verify that the version used by your application is listed.

  4. Check the application's web.config file: Ensure that the web.config file for the application is correctly configured. Check the processPath attribute for the aspNetCore element and make sure it points to the correct executable file for your application.

  5. Check the application's dependencies: Ensure that all the dependencies required by your application are installed and correctly configured. This includes the .NET Core runtime, any NuGet packages, and any other external libraries.

  6. Check the application's code: Review the application's code and ensure that there are no issues that could cause the HTTP 500.32 error. This includes checking for any missing dependencies or configuration settings.

If you have followed these steps and are still experiencing the issue, you can try the following additional steps:

  • Restart IIS.
  • Restart the server.
  • Check the Event Viewer for any related errors or warnings.

If none of these steps resolve the issue, you may need to seek additional assistance from a developer or IT professional.