What's New in the Windows Server Next Preview

Active Directory Federation Services (ADFS): New features that enable configuration of ADFS to authenticate users stored in Lightweight Directory Access Protocol (LDAP) directories.

Remote Desktop Services: Improvements based on customer requests. We added support for OpenGL and OpenCL applications, and added MultiPoint Services as a new role in Windows Server.

Storage quality of service: Update enables users to create storage QoS policies on a Scale-Out File Server and assign them to one or more virtual disks on Hyper-V virtual machines. Storage Replica is a new feature that enables synchronous replication between servers for disaster recovery, as well as stretching of a failover cluster for high availability.

A Hyper-V or Scale-out File Server failover cluster: Can now easily be upgraded without any downtime or need to build a new cluster with nodes that are running Windows Server Technical Preview.

Web Application Proxy: Now supports pre-authentication for applications using the HTTP Basic protocol, wildcards in external URLS of applications, redirection from HTTP to HTTPS, use of pass-through authentication with HTTP applications, publishing of Remote Desktop Gateway apps, a new debug log, propagation of client IP addresses to backend applications, and improvements to the Administrator console.

Windows PowerShell 5.0: Includes new features, including support for developing with classes, and new security features that extend its use, improve its usability, and allow users to control and manage Windows-based environments more easily and comprehensively.

Networking: New feature that enables Routing Encapsulation (GRE) for the Windows Server Gateway. In addition, the DNS Server role includes enhanced logging and a new policy based feature for DNS response management.