Published in: Technology. Thank OEM Exchange Server 2010 Enterprise so much very simple and clarity explanation. Skip to main content. Server licenses : A license must be assigned for each Exchange server. The server editions are defined by a product key. Published on Apr 12, You just clipped your first slide! If you continue browsing the site, you agree to the use of cookies on this website. No additional licenses are needed for management servers or SQL Server technology. You can change your ad preferences anytime. The edition of Exchange Server is solely determined by the product key that is entered after the server is installed. No Downloads. Microsoft Product Licensing. Then migrate the mailboxes over a few days.