How to Deploy ASP.NET Core Web API on IIS | Step-by-Step Guide using Visual Studio 2022

In this video tutorial, you'll learn how to deploy an ASP.NET Core Web API 9 to IIS (Internet Information Services) using Visual Studio 2022.
We’ll walk through everything step by step — from enabling IIS on Windows, publishing your project, configuring the IIS site, fixing common deployment issues, and successfully testing your API in a browser.

We’re using a real example project built in the previous video:
“.NET 9 Web API CRUD Operations with Entity Framework Core”
   • .NET 9 Web API CRUD Operations with Entity...  



Whether you’re new to hosting APIs on IIS or want to troubleshoot common errors like HTTP 500.19, 500 Internal Server Error, or SQL login issues, this tutorial will help you deploy smoothly.

🕒 Timestamps:
00:00 – Introduction
00:15– What is IIS (Internet Information Services)?
01:10– How to enable IIS on Windows
02:00 – Open your Web API project in Visual Studio 2022
02:20– Publish the Web API project to a folder
03:10– Configure and add a new site in IIS
03:43– What is Application Pool in IIS
04:30– Test your API in the browser
04:40– Fix HTTP 500 / 500.19 errors (Hosting Bundle, Permissions, SQL issues)
07:10– Test your API in the Postman
07:45– Conclusion

🔧 What You’ll Learn:
How to check if IIS is installed
How to enable required IIS features
How to publish an ASP.NET Core Web API
How to host and configure your API on IIS
What is Application Pool in IIS ?
How to troubleshoot deployment and runtime errors
How to test your API endpoint after deployment

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