If Microsoft IIS 7 is not installed, please refer to the documentation of the Microsoft Windows Server TechCenter (http://technet.microsoft.com).
Make sure you also install the following non-default features when installing Microsoft IIS 7, as they are needed to complete the ITP/OnLine installation. Refer to the sections below to see where these features are located in the tree when installing Microsoft IIS 7.
When Microsoft IIS 7 is already installed you need to verify that the above components are installed.