Windows Server 2022 V21h2 Build 20348587 20 Full [patched] May 2026
Windows Server 2022 v21H2 Build 20348.587 represents a key stability milestone for Microsoft’s enterprise operating system, released on March 8, 2022, as part of the cumulative update KB5011497. As a Long-Term Servicing Channel (LTSC) release, it offers a stable foundation for high-uptime environments while introducing modern security and hybrid cloud features. Core Architecture and Release Details
📋 The Breakdown
Native integration with Azure Arc to manage on-premises servers from the Azure portal . Application Platform windows server 2022 v21h2 build 20348587 20 full
1.3 Where Could “Build 20348587.20” Originate?
Possible sources:
Known Issues (as of this build)
- Event ID 10016 may appear in System log (DCOM configuration warning) – no functional impact.
- Third-party backup apps using VSS might fail if they don't support new VSS writer changes.
2.1 Official Sources
| Source | Availability | |--------|---------------| | Microsoft Evaluation Center | 180-day trial, full features | | Volume Licensing Service Center (VLSC) | Paid license, full version | | Visual Studio subscriptions (formerly MSDN) | Developer use | | Azure Marketplace | Pay-as-you-go or bring your own license | Windows Server 2022 v21H2 Build 20348
Boot from media
Server Features: