Internet-Facing SharePoint Server Installation

Microsoft offers an alternative to Client Access Licenses (CALs) when SharePoint Server 2010 is used to construct Internet or extranet sites accessed by nonemployees, such as customers or business partners. This approach requires purchase of a variety of different license types for the servers used to build the SharePoint infrastructure.

To provide increased scale, higher availability (fault tolerance), and better manageability, the SharePoint Server 2010—based system depicted in the illustration is implemented using multiple servers, each operating in a dedicated role. The Web servers (1) handle the display of the site; the application servers (2) run various services such as a usage and health data collection service and secure store service (for single sign-on authentication); and the crawl, index, and query servers (3) handle all search-related functions. Servers in these roles each require three different server licenses:

• Windows Server 2008/2008 R2 (Standard, Enterprise, or