Comparison
Windows Server 2022 vs 2025
Windows Server 2022 vs 2025: hotpatching, SMB over QUIC, Active Directory updates, Hyper-V improvements, support timeline and licensing.
Server 2025 launched November 2024 with a fresh 10-year support runway through 2034. The headline features are hotpatching (no-reboot security updates), SMB over QUIC for branch offices, Active Directory schema improvements and Hyper-V GPU partitioning.
Licensing is unchanged — still per-core in 16-core minimum packs, still Standard/Datacenter/Essentials. Same CAL model.
How do Windows Server 2022 and Windows Server 2025 compare side by side?
| Feature | Windows Server 2022 | Windows Server 2025 |
|---|---|---|
| Mainstream support ends | Oct 2026 | Oct 2029 |
| Extended support ends | Oct 2031 | Oct 2034 |
| Hotpatching (no-reboot updates) | Azure only | Subscription on Azure Arc machines |
| SMB over QUIC (port-443 file shares) | Datacenter / Azure | Standard + Datacenter |
| Active Directory: 32k-page DB | — | ✓ |
| Hyper-V GPU partitioning (GPU-P) | — | ✓ |
| Storage Replica | Datacenter unlimited | Datacenter unlimited |
| Licensing model | Per core, 16-min | Per core, 16-min |
Which one should you buy?
Stay on 2022 if you're already deployed, your hardware is happy, and you don't need hotpatching or SMB-over-QUIC in branch offices.
Move to 2025 for new deployments, AD schema upgrades, branch office file shares without VPN, and GPU partitioning for VDI.
Before choosing a licence
1. Check the exact edition, Windows or macOS compatibility and number of devices covered. A Windows-only key does not install Office for Mac.
2. Distinguish personal, commercial and server use. Virtual machines, shared devices and remote access can require additional licences.
3. Keep the invoice and licence terms. Check transfer rights and support dates: a perpetual licence does not mean perpetual security updates.
Successful activation alone does not prove permission for every use. The applicable Microsoft licence terms take precedence.
Windows Server 2022 Standard
Perpetual · 16-core · 2 VMs
16-core base Standard edition with up to 2 OSEs / Hyper-V containers.
Frequently asked questions
Is there a free in-place upgrade from 2022 to 2025?
No. An upgrade requires Server 2025 licenses; downgrade rights flow the other direction (a 2025 license can run 2022).
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