One server license is required for each running instance of Exchange Server —whether it is installed natively on a physical machine or a virtual machine. Learn more about virtualization support. Customers may still license Exchange Server with either per-user or per-device CALs. Learn about licensing options for Exchange Server Read about standard and enterprise server licenses and CALs to see which is best for your business. Review Windows Server licensing and pricing to find the perfect edition for your business requirements.
Main article: History of Microsoft Exchange Server Microsoft had sold a number of simpler email products before, but the first release of Exchange Exchange Server 4. As of , there have been nine releases. Current version[ edit ] The current version, Exchange Server ,  was released in October
Microsoft License Advisor is optimized for Internet Explorer 7 and newer versions. Download the latest version of Internet Explorer Hint Microsoft offers a variety of programs to help businesses manage the purchase of software licenses. In general, these licensing programs align to companies with fewer than desktop PCs and companies with more than desktop PCs. For details, visit the Microsoft Volume Licensing Web site. Hint The total quantity of initial qualified desktop PCs when you enroll in a Microsoft Volume Licensing program determines the price level of your products and any additional products that you license under the corresponding program. Software acquired through Microsoft Volume Licensing is a software license only. A software license provides the right to run a Microsoft software product.