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

As part of the Long-Term Servicing Channel (LTSC) , this version receives 10 years of support: 5 years of Mainstream Support (ending October 13, 2026) followed by 5 years of Extended Support (ending October 14, 2031).

Include the December update by slipstreaming it into the ISO using DISM: windows server 2022 ltsc 21h2 x64 english decem updated

✅ – Patches for remote code execution in Windows Kerberos and DNS Server. ✅ Storage – Fix for CSV volume enumeration delays on failover clusters. ✅ Networking – Resolves TCP zero-window issue affecting SMB throughput. ✅ Hyper-V – Stability improvements for shielded VMs and Live Migration. ✅ Printing – Addresses spooler service high CPU usage with network printers. As part of the Long-Term Servicing Channel (LTSC)

For hybrid environments, this update continues to refine the Azure Arc experience, making it easier to manage Windows Servers running on-premises or in other cloud providers directly from the Azure Portal. ✅ Networking – Resolves TCP zero-window issue affecting