1.1. Software Requirements
To make all that SharePoint goodness possible, the following roles and technologies must be installed and running on the SharePoint server. These are the underlying technologies that make SharePoint function. Without them, SharePoint won't even install.
Internet Information Services (IIS) 6.0 (or Higher)
SharePoint is web-based because IIS allows a Windows Server (2003 or higher) to host websites and service HTTP requests from clients. Many SharePoint capabilities are dependent upon and colored by the functions and needs of IIS. For example, IIS contains Web Sites, that hold web pages. In SharePoint, IIS's Web Sites are considered to be Web Applications, formerly called virtual servers in WSS 2, and contain web pages ...
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