What’s New in Windows Server 2022 LTSC? Security, Networking, and Edge Updates
This article outlines the key features of Windows Server 2022 LTSC—including enhanced security with TPM 2.0 and VBS, default HTTPS/TLS 1.3, SMB AES‑256 encryption, network stack improvements, Hyper‑V virtualization upgrades, and the switch to Chromium Edge as the default browser—while noting Microsoft’s new multi‑year support model.
Windows Server 2022 Overview
Windows Server is Microsoft’s server‑grade operating system for hosting websites and network services, and it can also be installed on a personal PC.
Release and Editions
Following the launch of Windows 11, Microsoft released Windows Server 2022 LTSC, built on the 21H2 core and offered in three editions: Standard, Datacenter, and Datacenter Azure. The release adds numerous server‑focused innovations and security enhancements.
Security Enhancements
The new version strengthens security with TPM 2.0 support, firmware protection, and virtualization‑based security (VBS). HTTPS and TLS 1.3 are enabled by default, SMB now uses AES‑256 encryption, and DNS‑over‑HTTPS is supported.
Edge Becomes the Default Browser
Chromium Edge replaces Internet Explorer as the default browser on Windows Server, providing a modern, secure browsing experience and removing the legacy IE security configuration.
SConfig and PowerShell in Server Core
When installing Server Core, the login now launches the SConfig utility, and PowerShell is the default console instead of the legacy cmd.exe.
Network Improvements
Microsoft has revised the TCP and UDP stacks. UDP segmentation offload (USO) moves UDP processing to the NIC, while TCP changes improve performance on high‑speed networks by reducing packet loss.
Virtualization Network Enhancements
Hyper‑V receives updates such as extended receive‑segment coalescing (RSC), which keeps data merged longer along the path, lowering CPU utilization.
SMB Protocol Updates
SMB now automatically negotiates AES‑256 encryption when both clients support it and offers better performance with RDMA‑enabled SMB Direct encryption.
For a complete list of changes see Microsoft’s documentation: https://docs.microsoft.com/windows-server/get-started/whats-new-in-windows-server-2022
Microsoft also shifted its release cadence: instead of annual updates, Windows Server 2022 will receive major upgrades only every few years, with up to ten years of support.
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