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IIS 7.0 Administration Overview Let's start with the bad news right up front: Internet Information Services (IIS) 7.0 isn't what you think it is. Although IIS 7.0 is the latest release of Internet Information Services, it isn't what it seems. IIS does look a lot like its predecessors, but this is deceiving because under the surface, the architecture is completely different. So much has changed, in fact, that perhaps it might have been better if Microsoft had given IIS 7.0 a new product name. That way you'd know that IIS 7.0 was completely different from its predecessors, allowing you to start with a fresh perspective and a reasonable expectation of having to learn a whole new bag of tricks. Seasoned IIS pros also are going to have to unlearn some old tricks; and that's not only going to be difficult, it might be the single biggest obstacle to mastering IIS 7.0. IIS 7.0 provides the core services for hosting Web servers, Web applications, and Microsoft Windows SharePoint Services. Throughout this artical, I'll refer to administration of IIS, Web applications, and Windows SharePoint Services as Microsoft Web administration or simply Web administration . As you get started with Microsoft Web administration, you should concentrate on these key areas: Working with IIS 7.0: What You Need to Know Right Now Microsoft fully integrated Microsoft ASP.NET and the Microsoft .NET Framework into IIS 7.0. Unlike IIS 6, IIS 7.0 takes ASP.NET and the .NET Framework to the next level by integrating the ASP.NET runtime extensibility model with the core server architecture, allowing developers to fully extend the core server architecture by using ASP.NET and the .NET Framework. This tighter integration makes it possible to use existing ASP.NET features such as .NET Roles, Session Management, Output Caching, and Forms Authentication with all types of content. IIS 7.0 has generalized the Hypertext Transfer Protocol (HTTP) process activation model that IIS 6 introduced with application pools and made it available for all protocols through an independent service called the Windows Process Activation Service, and developers can use Windows Communication Foundation (WCF) protocol adapters to take advantage of the capabilities of this service. You also should know up front that IIS 7.0 includes a metabase compatibility component that allows your existing scripts and applications to continue running but does not use a metabase to store configuration information. Instead of a metabase, IIS 7.0 uses a distributed configuration system with global and application-specific configuration files that are based on a customizable set of Extensible Markup Language (XML) schema files. These XML schema files define the configuration elements and attributes in addition to valid values for those elements and attributes, providing you precise control over exactly how you can configure and use IIS. Microsoft built the configuration system around the concept of modules. Modules are standalone components that provide the core feature set of an IIS server. Microsoft ships more than 40 independent modules with IIS 7.0. Either these modules are IIS 7.

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