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Windows Server 2022 Windows Server 2022 Out-of-band update
Out-of-band

KB5052819

KB5052819: Cumulative update for Windows Server, version 2022, January 2025. Fixes startup failures on servers with multiple NUMA nodes

In short

Fixes a startup failure affecting some servers with two or more NUMA nodes and improves the servicing stack.

Does it affect you? Applies to: Devices running Windows Server 2022.

Build
20348.3095
Restart
Required

What changes

Fix 1 change

Non-uniform memory access (NUMA) nodes

  • Some servers with two or more NUMA nodes can start up again.1

Improvement 1 change

Servicing stack

For: Devices installing Windows updates

  • The component that installs Windows updates receives quality improvements.2
    Includes servicing stack update KB5050117, build 20348.3081.

Known issues

  1. Resolved Affects: Organizations and IT administrators Resolved by KB5053603

    Following the installation of the October 2024 security update, some customers report that the OpenSSH (Open Secure Shell) service fails to start, preventing SSH connections.

    Some enterprise, IoT, and education devices might fail to start the OpenSSH service, preventing SSH connections. This issue is addressed in KB5053603.3

    Resolution Fixed in KB5053603

    Install KB5053603 (or a later cumulative update) on affected devices. No manual workaround is required after updating.

  2. Resolved Affects: Organizations and IT administrators

    Devices that have certain Citrix components installed might be unable to complete installation of the January 2025 Windows security update.

    Devices with Citrix Session Recording Agent version 2411 might fail to complete installation of the January 2025 update and undo the changes on restart. The issue is resolved in version 2503 and newer.4

    Resolution Resolved

    Microsoft has resolved this issue in a subsequent update. No manual workaround is required after updating.

  3. Resolved Affects: Everyone Resolved by KB5055526

    The Windows Event Viewer might display an error related to SgrmBroker.exe, on devices that have installed Windows updates released January 14, 2025, or later.

    Event Viewer might show a System event 7023 error related to SgrmBroker.exe. The issue has no expected impact on performance, functionality, or device security, and is addressed in KB5055526.5

    Resolution Fixed in KB5055526

    Install KB5055526 (or a later cumulative update) on affected devices. No manual workaround is required after updating.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2025-01-18
Classification
Updates
Type
Cumulative update
Restart
Required
Replaces
KB5049983, KB5048654, KB5046616, KB5047767
+12 earlier KB5044281, KB5042881, KB5041160, KB5040437, KB5041054, KB5039227, KB5037782, KB5036909, KB5037422, KB5035857, KB5034770, KB5034129
Replaced by
KB5051979
VersionBuildChannel
2022 20348.3095 General availability

Security

No vulnerabilities are listed for this update.

Downloads (Microsoft Update Catalog)

Updated components

13 files changed since the previous update for the same versions.

Top changed componentsFiles
Kernel2
Storage and file systems1

Sources

Updated
Cited passages from Microsoft's official notes (5)
  1. 1. [Non-uniform memory access (NUMA) nodes] Fixed: Some servers that have two or more NUMA nodes fail to start up. support.microsoft.com
  2. 2. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. support.microsoft.com
  3. 3. This issue is addressed in KB5053603. support.microsoft.com
  4. 4. The issue has been resolved in Citrix Session Recording Agent version 2503, released on April 28, 2025, and newer versions. support.microsoft.com
  5. 5. This issue is addressed in KB5055526. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 5 quoted passages · compared with Microsoft's page on Oct 20, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 5/5, clarity 4/5, completeness 4/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake