Many variables must be taken into account when you are considering a move to IIS 7.0 and Windows “Codename: Longhorn” server. Microsoft has gone to great lengths to reduce the obstacles and make this move as seamless as possible. This chapter prepares you for the foundation of IIS 7.0 and helps you structure it in a way that is familiar. Knowledge of IIS 6.0 helps in understanding not only “how” but also “why” the product was changed. In the following chapters, you will learn the fundamentals that are necessary to move to IIS 7.0.