Windows Server 2022 Ltsc 21h2 X64 English Decem Updated Jun 2026

Technical Overview: Windows Server 2022 LTSC (v21H2) Updated December 2025

Report Generated for IT Infrastructure Planning Purposes. windows server 2022 ltsc 21h2 x64 english decem updated

Yes. dism /online /get-packages to list installed updates, then use dism /online /add-package with the MSU. Or simply run usoclient startscan if Windows Update is configured. Technical Overview: Windows Server 2022 LTSC (v21H2) Updated

This content is structured for an IT pro, system administrator, or technical documentation use case (e.g., release notes, deployment guide, or catalog entry). Or simply run usoclient startscan if Windows Update

You have three primary methods to get your existing Windows Server 2022 LTSC 21H2 systems to the December 2024 patch level.

Enabled by default, ensuring that network communications are encrypted using modern, highly secure cryptographic suites.

While the December update does not add new features (reserved for the Annual Channel), it optimizes the core 21H2 feature set: