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Exchange SQL And IIS- P144: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 | 692 Chapter 12 Getting Started with IIS 7.0 IIS 6.0 versus IIS 7.0 The Delta IIS 6.0 was a monumental step forward for the Web platform for Windows. At the highest priority stood security followed by reliability and scalability. With IIS 7.0 Microsoft stood true to all of these important areas and delivered a rock-solid product however as with any release there is still room for improvement. The following sections help us to understand the differences between IIS 6.0 and IIS 7.0 why changes were made and what the benefits are for customers. The major differences between IIS 6.0 and IIS 7.0 are A modular core server consisting of simplified setup and a unified pipeline for request execution An all new delegatable distributable configuration system allowing non-administrators as well as non-Windows credentials access to Web server configuration A completely rewritten IIS Manager that is task-oriented and extensible An extensible WMI provider that offers native access to the new configuration as well as access via Windows PowerShell A single all-inclusive command-line utility called AppCmd.exe that simplifies access to configuration and state information done in individual VBS files with IIS 6.0 An IIS and ASPNET diagnostics engine that is extensible and allows granular access to runtime-specific information about requests A brand-new Failed Request Tracing feature to identify causes of request failures Modular Core Server The biggest change in architecture between IIS 6.0 and IIS 7.0 is the modular core server. Remember that the core server in IIS 6.0 was monolithic and its installation was all or none. In IIS 7.0 all of that changes. Figure 12.11 is a diagram of the modular core server in IIS 7.0. As mentioned earlier the new modular core allows administrators to load only what they need. Figure 12.12 shows that modules can be completely uninstalled from the server at any time. Getting Started with IIS 7.0 Chapter 12 693 Figure 12.11 IIS 7.0 Modular Server Core .