Microsoft Server Categories
Windows Server 2019 Standard Edition Core Based License
Windows Server 2019 Datacenter with unlimited virtualization rights provides the benefits of cloud-level scale with predictable, lower costs. Windows Server 2019 Standard offers the same enterprise-class features without unlimited virtualization rights. When you buy Server 2019, you can using Server 2016 or 2012 using downgrade rights.
Windows Server 2019 Device CAL A server client access license (CAL) is a license that gives users and devices the legal right to access Microsoft server software installed on a server.