Windows Server 2022 vs 2025 on a VPS: What Changes for RDP, IIS, and .NET

Windows Server 2022 has been the default operating system on Windows VPS plans for years, but 2025 editions are now widely available across hosting providers — and the upgrade decision is not as automatic as Microsoft’s marketing suggests. The two versions differ in security features, RDP behavior, IIS capabilities, and the .NET runtimes they ship with. This comparison looks at what actually changes when you deploy Windows Server 2022 vs 2025 on a VPS, and which one makes sense for typical RDP, IIS, and .NET workloads in 2026.

Release Timeline and Support Status

Windows Server 2022 reached general availability in late 2021, with mainstream support running through October 2026 and extended support to 2031. Windows Server 2025 launched in late 2024, so it is roughly halfway through its mainstream support window, which extends to 2029 (extended support to 2034). For a new VPS deployment in 2026, support longevity slightly favors 2025 — but 2022 still has several years of mainstream support left, so this is not a forcing function for most buyers.

Security: Where 2025 Pulls Ahead

Security is the biggest differentiator. Windows Server 2025 adds several features that matter on an internet-facing VPS:

• Hotpatch support: installs security updates without a reboot, which directly reduces downtime windows on production IIS servers.
• Credential Guard improvements: better protection of the Local Security Authority (LSA) against pass-the-hash and credential-dumping attacks — relevant if your VPS is a domain controller or holds service account credentials.
• Faster TLS 1.3 and QUIC: updated networking stack that benefits HTTPS performance on IIS-hosted sites.
• Improvements to Windows Defender and attack surface reduction rules enabled by default in some configurations.

Windows Server 2022 is no slouch — it introduced Secured-core server support and TPM-backed virtualization-based security — but 2025’s defaults are stricter out of the box. For a VPS that faces the public internet, the security delta is the strongest argument for choosing 2025.

RDP and Remote Administration: Minor but Real Changes

For administrators living in RDP, the day-to-day differences are modest. Both versions support Network Level Authentication and modern RDP clients, and the connection experience is essentially identical. The practical differences are underneath: 2025 enables more aggressive TLS defaults and certificate handling for RDP sessions, and 2022’s Remote Desktop Services has a known quirk where the default self-signed certificate triggers client warnings — 2025 handles certificate trust slightly better out of the box. Neither version changes the fundamental workflow: enable NLA, set account lockout, and restrict the port (our RDP setup and security guide covers the full checklist).

IIS and .NET: The Hosting Decision

IIS version numbers are the same (IIS 10.0) across both releases, but the underlying runtime support differs. Windows Server 2022 ships with .NET Framework 4.8 and relies on the separately installed .NET runtime for modern ASP.NET Core apps. Windows Server 2025 ships with a more current baseline and cleaner integration with .NET 8/9 runtime installs, plus the updated HTTP.sys stack that benefits high-throughput IIS deployments.

For practical purposes: any ASP.NET Core application that runs on 2022 runs on 2025, and vice versa. The difference shows up in performance and maintenance. The 2025 networking stack (with QUIC support) gives measurable latency improvements for TLS-heavy workloads, and its Hotpatch capability means fewer IIS restarts during patch cycles. If you are running SQL Server alongside IIS, 2025 also supports the newer SQL Server 2025 build with better memory management — though SQL Server 2022 works fine on both operating systems.

Licensing and Cost on VPS Plans

Here is where the decision gets practical. Most VPS providers now offer both 2022 and 2025 images at the same price, since the licensing is bundled into the plan. When the price is identical, 2025 is the default choice for new deployments — longer support, better security defaults, and no migration path needed later. The exception is when you have existing automation, scripts, or internal documentation built around 2022, or when a specific application vendor certifies only against 2022. Check the application compatibility matrix before upgrading a production server; for greenfield deployments, there is little reason to choose 2022 today.

Bottom Line: Which Should You Pick?

Choose Windows Server 2025 if you are deploying a new VPS for IIS, .NET, or RDP-heavy workloads — the security defaults, Hotpatch support, and longer support window make it the better long-term investment at the same price. Choose 2022 only if you have a specific compatibility constraint, an existing toolchain built around it, or a provider that does not yet offer 2025 images. Either way, the operating system matters less than the provider’s infrastructure behind it — storage type, network quality, and support responsiveness. To compare providers that offer both versions, see the full specs and pricing on our Windows VPS comparison page.

If you want to test 2025 before committing, Vultr’s Windows Server 2025 images are billed hourly, which makes them ideal for a weekend evaluation. For a low-cost always-on box, Contabo’s Windows VPS plans include both OS versions at the same price, and Hostwinds offers managed Windows options if you want patching handled for you. Compare the full lineup of 2022 vs 2025 plans on our Windows VPS comparison table before you deploy.