Asp net core iis deploy iis aspnetcore module error clr worker thread exited p


ASP.NET is a popular programming language used for building web applications. It provides a framework for developing dynamic websites, web services, and web applications. However, like any programming language, ASP.NET can sometimes present challenges that need to be solved. In this article, we will address the question of ASP.NET programming language and provide examples to help you understand and solve common issues.


ASP.NET Core is a cross-platform, open-source framework for building , cloud-based web applications. It is the latest version of ASP.NET and offers improved performance, scalability, and flexibility. When deploying an ASP.NET Core application to IIS (Internet Information Services), you may encounter certain errors or issues. Let's explore some common problems and their solutions.

Deploying ASP.NET Core to IIS

When deploying an ASP.NET Core application to IIS, you may come across the error message “CLR worker thread exited prematurely.” This error occurs when the ASP.NET Core module to start the application process. To solve this issue, you can try the following steps:

// Example code for deploying ASP.NET Core to IIS
public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>

By using the above code snippet, you can a web host for your ASP.NET Core application. This builder is responsible for configuring the application and starting the process. Make sure to ” with the appropriate name for your application.

ASP.NET Core IIS Module Error

Another common issue when deploying ASP.NET Core to IIS is the “ASP.NET Core Module failed to start” error. This error occurs when the ASP.NET Core module is not installed or configured correctly on the IIS server. To resolve this , follow these steps:

// Example code for configuring ASP.NET Core module in web.config


In the above code snippet, you need to add the appropriate configuration to the web.config file of your ASP.NET Core application. This configuration specifies the ASP.NET Core module and its associated settings. Make sure to replace “YourApplication.dll” with the actual name of your application's DLL file.


ASP.NET is a powerful programming language for building web applications, but it can sometimes present challenges when deploying to IIS. By understanding common issues and their solutions, you can overcome these obstacles and ensure a smooth deployment process. We have discussed two common problems, “CLR worker thread exited prematurely” and “ASP.NET Core Module failed to start,” and provided example code to help you resolve them. Remember to adapt the code snippets to your specific application's requirements. Happy coding!

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