Reading Time: 3 minutesToday Exchange Server 2016 for on-premises installations became available! Some important links: Exchange Team Blog: Exchange Server 2016: Forged in the cloud. Now available on-premises. Direct download (without a valid license key this is an 180 day evaluation) Exchange 2016 Unified Message Language Packs Technical Documentation Release Notes Product guide (feature glance) Before you rush with installing it, beware of the requirements: Coexistence only with Exchange 2010 SP3 RU11 and/or Exchange 2013 CU10 No Exchange 2007 coexistence support! Install OS can be Windows Server