Hyper-V in Windows Server 2025 includes: Increased processor support: Support for up to 2,048 virtual processors for Generation 2 virtual machines, and Hyper-V hosts can now support up to 2,048 logical processors. GPU partitioning: GPUs can now be partitioned and assigned to virtual machines, improving performance for graphics-intensive workloads and enabling migrations between servers while maintaining high availability. Workgroup clusters: You can now deploy workgroup clusters with certificate-based authentication, eliminating the need for Active Directory.