The build number 20348.587 corresponds to Windows Server 2022’s Cumulative Update KB5010794 released on January 11, 2022.
Internally, yes. The servicing stack and compatibility database refer to 21H2. But Microsoft markets it as Windows Server 2022 without the “v21H2” moniker to avoid confusion with Windows 10/11.
If you already possess an ISO or installed system reporting that exact build number:
Rating: 8.5/10
Pros:
Cons:
Bottom line:
If you’re deploying Windows Server 2022 today, build 20348.587 is a safe, well‑tested foundation—but always apply the latest cumulative updates. Avoid the early RTM (20348.169) and go straight to this or a newer patch level.
Introduction
Windows Server 2022 is a server operating system developed by Microsoft as part of the Windows NT family of operating systems. The latest version, v21H2, was released in November 2021, and Build 20348.587 is one of the updates available for this version. In this paper, we will discuss the features, improvements, and benefits of Windows Server 2022 v21H2 Build 20348.587.
Overview of Windows Server 2022 v21H2
Windows Server 2022 v21H2 is a cumulative update that includes all previous updates and security patches. This version focuses on improving security, performance, and reliability. Some of the key features of Windows Server 2022 v21H2 include:
What's New in Build 20348.587
Build 20348.587 is a cumulative update that includes the following changes:
Key Features and Benefits
Some of the key features and benefits of Windows Server 2022 v21H2 Build 20348.587 include:
Technical Specifications
The following are the technical specifications for Windows Server 2022 v21H2 Build 20348.587:
Installation and Upgrade
To install or upgrade to Windows Server 2022 v21H2 Build 20348.587, follow these general steps:
Conclusion
Windows Server 2022 v21H2 Build 20348.587 offers a robust and secure server operating system with improved performance, reliability, and management capabilities. The cumulative updates and quality improvements in this build ensure a more stable and secure server environment. By deploying this update, organizations can benefit from enhanced security, streamlined management, and improved overall system performance.
Recommendations
Based on the features and benefits of Windows Server 2022 v21H2 Build 20348.587, we recommend:
Windows Server 2022 v21H2, specifically OS Build 20348.587 , refers to the stable release as of the March 8, 2022
security update (KB5011497). This build is part of the Long-Term Servicing Channel (LTSC) and focuses on advanced multi-layer security, hybrid cloud integration with Azure, and a modernized application platform. Microsoft Support Key Features of Build 20348.587 Security Improvements
: This build includes miscellaneous security enhancements to internal OS functionality to address emerging threats. Secured-core Server
: Leverages hardware, firmware, and OS capabilities like TPM 2.0 and Windows Defender System Guard to protect against advanced firmware attacks. Enhanced Connectivity
: Supports faster and more secure HTTPS/TLS 1.3 connections, along with industry-standard SMB AES-256 encryption. Hybrid Cloud Integration : Improved management via the Windows Admin Center
, allowing for seamless integration with Azure services like Azure Arc and Azure Backup. Application Platform
: Reduced container image sizes by up to 40% for faster downloads and better performance. Microsoft Support Update Information (KB5011497) Release Date : March 8, 2022. Servicing Stack Update : Includes version
, which improves the reliability of the update installation process. Deployment : Available via Windows Update Microsoft Update Catalog , and Windows Server Update Services (WSUS). Microsoft Support Minimum Hardware Requirements KB5011497 (OS Build 20348.587) windows server 2022 v21h2 build 20348587 20 full
Windows Server 2022, Version 21H2 (Build 20348.587), was a significant security-focused update released on March 8, 2022 , as part of
While this specific build primarily addressed internal OS security improvements and stability fixes, it is part of the broader Windows Server 2022 release which includes these key features: Secured-core Server
: Uses hardware, firmware, and drivers to provide advanced multi-layer security against sophisticated threats. SMB over QUIC
: Allows users to access file servers over the internet without needing a VPN by using the QUIC protocol. Azure Hybrid Capabilities : Enables deeper integration with Azure services through
, allowing you to manage on-premises servers from the Azure portal. Advanced Storage Migration : An updated version of the Storage Migration Service
that makes it easier to migrate data to Windows Server or Azure. Improved Container Support
: Significant reductions in Windows Container image sizes (up to 40%) for faster boot times and better performance. Networking Performance
: Includes UDP Segmentation Offload (USO) and TCP HyStart++ to reduce packet loss and improve network data flow at high speeds. Microsoft Learn Note on "Full Edition":
If you are currently on an Evaluation version and looking to move to the "Full" version mentioned in your query, you can use the Deployment Image Servicing and Management (DISM) tool to perform an edition upgrade without a full reinstall. TC-IT Services
Upgrade Windows Server 2022 Evaluation to Full - TC-IT Services
You can do this by following these 4 steps: * 1 Launch a PowerShell or Command Prompt as an Administrator. * 2 Type dism /online / TC-IT Services KB5011497 (OS Build 20348.587)
You're referring to Windows Server 2022, specifically build 20348.587, which is a part of the 21H2 (October 2021) release. Here are some of the proper features you can expect in this version:
Security Features:
Server Features:
Virtualization Features:
Networking Features:
Management and Automation Features:
Other Features:
Windows Server 2022 v21H2 Build 20348.587 is a specific security update released by Microsoft on March 8, 2022, as part of the monthly "Patch Tuesday" cycle. This build corresponds to Cumulative Update KB5011497. Core Update Details Release Date: March 8, 2022. OS Version: Windows Server 2022, version 21H2. Build Number: 20348.587. Knowledge Base ID: KB5011497 . Key Improvements & Fixes
Security Enhancements: This update primarily focused on miscellaneous security improvements to internal OS functionality.
Cumulative Nature: It includes all improvements from the previous month's optional preview update, KB5010421 (build 20348.558).
Servicing Stack Update: The update also bundled SSU version 20348.557, which improves the reliability of the component that installs Windows updates. Known Issues
AD Forest Trust (.NET Framework): Apps using .NET Framework to manage Active Directory Forest Trust Information might experience access violations (error 0xc0000005) or fail to close properly.
Mitigation: Microsoft recommended applying out-of-band updates specific to the .NET Framework version (e.g., KB5011258 for version 4.8) via the Microsoft Update Catalog. Installation & Deployment
This build is available through several channels according to Microsoft Support: Windows Update: Downloaded and installed automatically.
WSUS: Automatically synced if configured for "Microsoft Server operating system-21H2".
Azure Marketplace: Images for Windows Server 2022 Datacenter and Datacenter Azure Edition were updated to this build in March 2022. KB5011497 (OS Build 20348.587)
If you run winver on a fully updated Server 2022 from that period, you’d see:
Version 21H2 (OS Build 20348.587)