What is the difference in Microsoft SQL Processor or CAL licensing?


Microsoft Windows Server and Microsoft SQL Server each have three different licensing models. Two of the models require CALs (Client Access Licenses) and the third requires a Processor License. A Microsoft Windows Server license with five user CALs is sufficient for typical server installations running only the DyKnow Server.

The current Microsoft SQL Server licensing specification licenses a processor license per "socket", so a single processor license can be utilized on a "Quad Core" processor. For more information please visit this Microsoft Website: http://www.microsoft.com/sql/howtobuy/licensing.mspx, specifically Section 3a of the Server Processor End-User License Agreement (EULA).

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