Windows Server 2022 21H2, released on , is the foundational version of the Windows Server 2022 operating system. As a Long-Term Servicing Channel (LTSC) release, it provides a stable platform for mission-critical enterprise applications, offering up to 10 years of support (5 years mainstream and 5 years extended). Core Identity and Versioning
Enhanced support for large-scale applications with up to 48TB of memory and 2,048 logical cores . It also features SMB Compression , which speeds up file transfers by compressing data over the network. System Requirements windows server 2022 21h2