---
title: "How Do I Use the ASP.NET IIS Registration Tool to Configure ASP.NET | Microsoft Docs"
author: rick-anderson
description: "In this video Chris Pels shows how to use the ASP.NET IIS Registration Tool to configure ASP.NET. First, see how file extensions are mapped to ASP.NET in the..."
ms.author: aspnetcontent
manager: wpickett
ms.date: 05/01/2008
ms.topic: article
ms.assetid: 2565839b-30b8-45e1-946e-34fffe940c48
ms.technology: dotnet-webforms
ms.prod: .net-framework
msc.legacyurl: /web-forms/videos/how-do-i/how-do-i-use-the-aspnet-iis-registration-tool-to-configure-aspnet
msc.type: video
---
How Do I Use the ASP.NET IIS Registration Tool to Configure ASP.NET
====================
by [Chris Pels](https://twitter.com/chrispels)

In this video Chris Pels shows how to use the ASP.NET IIS Registration Tool to configure ASP.NET. First, see how file extensions are mapped to ASP.NET in the IIS Manager on a global and web-site-by-web site basis. These script maps provide the basis for configuring individual ASP.NET applications to run under a specific version of the .NET Framework. Next, see how aspnet\_regiis.exe, the IIS Registration Tool command line utility, is specific to each version of the .NET Framework and how it can be used for a variety of tasks like determining what versions of ASP.NET are installed on a computer and what ASP.NET applications are mapped to that version. Then, learn how install and uninstall ASP.NET on a computer using the registration tool. Also learn how to use the registration tool to install, uninstall, or update multiple ASP.NET applications for a specific version of the .NET Framework. For example, see how to install ASP.NET 2.0 and update script ma

[▶ Watch video (27 minutes)](https://channel9.msdn.com/Blogs/ASP-NET-Site-Videos/how-do-i-use-the-aspnet-iis-registration-tool-to-configure-aspnet)