In the realm of web servers tailored for Windows environments, Microsoft Internet Information Services (IIS) stands as a stalwart player. As the preferred choice for hosting web applications, especially those built with ASP.NET, IIS has solidified its position as the go-to web server for organizations with Windows-based infrastructure. This article explores the key features that make Microsoft IIS an integral part of the web hosting landscape, its relevance in contemporary scenarios, and the symbiotic relationship it shares with ASP.NET applications.