Server and Tools develops and markets technology and related services that enable information technology professionals and their systems to be more productive and efficient. Server and Tools product and service offerings include Windows Server, Microsoft SQL Server, Windows Azure, Visual Studio, System Center products, Windows Embedded device platforms, and Enterprise Services. Enterprise Services comprise Premier product support services and Microsoft Consulting Services. We also offer developer tools, training, and certification. Approximately 80% of Server and Tools revenue comes from product revenue, including purchases through volume licensing programs, licenses sold to OEMs, and retail packaged product, while the remainder comes from Enterprise Services.