Asp net core 6 app fails to start up on iis in windows 11 arm os


ASP.NET is a popular programming used for building web applications. It provides a for developing dynamic websites, web services, and web APIs. However, sometimes developers may encounter issues while running ASP.NET applications, such as failures on specific operating systems.

The Problem

One common issue faced by developers is the failure of an ASP.NET Core 6 to start up on IIS in Windows 11 ARM OS. This can be frustrating as it prevents the application from running and serving requests.

Possible Causes

can be several reasons why an ASP.NET Core 6 application fails to start up on IIS in Windows 11 ARM OS. Some possible causes include:

  • Incompatibility between the application and the operating system
  • Missing or incorrect configuration settings
  • Dependency issues
  • Permission problems


To solve this issue, you can try the following :

1. Check Compatibility

Ensure that your ASP.NET Core 6 application is compatible with Windows 11 ARM OS. Some applications may have specific requirements or dependencies that are not supported on certain operating systems. Check the documentation or contact the application vendor for compatibility information.

2. Verify Configuration Settings

Review the configuration settings of your application to ensure they are correct. Pay special attention to settings related to the hosting environment, such as the server URL and port number. Make sure they match the configuration of your IIS server.

// Example configuration settings
public static IHostBuilder CreateHostBuilder(string[] args) =>
        .ConfigureWebHostDefaults(webBuilder =>
            webBuilder.UseUrls("http://localhost:5000"); // Verify the URL and port number

3. Dependency Issues

Check if there are any dependency issues in your application. Ensure that all required packages and libraries are correctly referenced and up to date. You can use package managers like NuGet to manage dependencies and update packages.

4. Check Permissions

Verify that the application has the necessary permissions to run on the Windows 11 ARM OS. Ensure that the application's user or the IIS application pool has appropriate permissions to access the required resources, such as files, databases, or network resources.


Here's an example of how you can configure an ASP.NET Core 6 application to run on IIS in Windows 11 ARM OS:

// Example Startup.cs file
public class Startup
    public void ConfigureServices(IServiceCollection services)
        // Configure services

    public void Configure(IApplicationBuilder app,  env)
        if (env.IsDevelopment())


        app.UseEndpoints(endpoints =>


By following the steps mentioned above, you should be able to resolve the issue of an ASP.NET Core 6 application failing to start up on IIS in Windows 11 ARM OS. Remember to check compatibility, verify configuration settings, resolve dependency issues, and ensure proper permissions. If the problem persists, consider seeking help from the ASP.NET community or consulting with experts.

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