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Exchange SQL And IIS- P166:The following legacy Exchange features have been de-emphasized in Exchange Server 2007. What does that mean? It means that these features are still included in the Exchange product, but they’re not prioritized anymore, and will most likely disappear in the next Exchange release after Exchange Server 2007 | 802 Chapter 15 Get Started with IIS 7.0 s Configuration Figure 15.18 Disabling Directory Browsing in Web.config 12. After disabling directoryBrowse refresh Internet Explorer and you should see a screen similar to the one shown in Figure 15.19. Get Started with IIS 7.0 s Configuration Chapter 15 803 Figure 15.19 Testing Directory Browsing Disabled So why is delegation so important in IIS 7.0 First IIS 7.0 configurations may now exist side by side with ASP.NET configurations. This means that Web server and application configurations can be deployed along with content. Another reason that delegation is so important is that security is not compromised. Administrators can pick and choose the features they make available for modification without having to provide system administrator rights to developers or lower level administrators thus everyone is more productive and efficient. 804 Chapter 15 Get Started with IIS 7.0 s Configuration Summary The old metabase was loved by some but hated by most because it was difficult to read and provided no mechanism for delegating to nonadministrators. It has been replaced by the XML configuration file ApplicationHost.config which is easier to read and to configure. Within the ApplicationHost. config file are two important section groups system.ApplicationHost and system.webServer. The system.ApplicationHost section group includes sections that define key parameters for a Web server. It holds sections that are used by the WAS service and are therefore defined globally. The system. webServer section group is where all the action is. It contains all the default settings and new features for IIS 7.0. The schema in IIS 7.0 represents the interrelationship between the attributes and elements of each object. In IIS 7.0 the schema is hierarchical and easy to read just as the ApplicationHost.config file is. A major improvement in IIS 7.0 over previous versions is delegation. Developers no longer need to have full administrative rights on the