Microsoft Windows Server - External Connector License & Software Assurance - unlimited external users

Windows Server is a group of operating systems designed by Microsoft that supports enterprise-level management, data storage, applications, and communications. Previous versions of Windows Server have focused on stability, security, networking, and various improvements to the file system. Other improvements also have included improvements to deployment technologies, as well as increased hardware support. Microsoft has also created specialized SKUs of Windows Server that focus on the home and small business markets.