Win Update KB5037422 Out-of-band Update for Windows Server 2022 Build 20348.2342


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March 22, 2024 - KB5037422 (OS Build 20348.2342) Out-of-band​


For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows Server 2022, see its update history page.

Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.

Improvements​

This non-security update includes quality improvements. When you install this KB:
  • This update addresses a known issue that affects the Local Security Authority Subsystem Service (LSASS). It might leak memory on domain controllers (DCs). This issue occurs after you install KB5035857 (March 12, 2024). The leak occurs when on-premises and cloud-based Active Directory DCs process Kerberos authentication requests. This substantial leak might cause excessive memory usage. Because of this, LSASS might stop responding, and the DCs will restart when you do not expect it.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.

Windows Server 2022 servicing stack update - 20348.2334​

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Known issues in this update​

Microsoft is not currently aware of any issues with this update.

How to get this update​

Before installing this update

Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

Install this update

Release ChannelAvailableNext Step
Windows Update and Microsoft UpdateNoSee the other options below.
Windows Update for BusinessNoSee the other options below.
Microsoft Update CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)NoSee the other options above.

If you want to remove the LCU

To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.

File Information

For a list of the files that are provided in this update, download the file information for cumulative update 5037422.

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 20348.2334.


 Source:

 
Out-of-band updates to address a Windows Server domain controller issue
Microsoft has identified an issue that affects Windows Server domain controllers (DCs), and has expedited a resolution that can be applied to affected devices. Out-of-band (OOB) updates have been released for some versions of Windows today, March 22, 2024, to addresses this issue related to a memory leak in the Local Security Authority Subsystem Service (LSASS). This occurs when on-premises and cloud-based Active Directory domain controllers service Kerberos authentication requests.

This issue is not expected to impact Home users, as it is only observed in some versions of Windows Server. Domain controllers are not commonly used in personal and home devices.

Updates are available on the Microsoft Update Catalog only. These are cumulative updates, so you do not need to apply any previous update before installing them, and they supersede all previous updates for affected versions. If your organization uses the affected server platforms as DCs and you haven’t deployed the March 2024 security updated yet, we recommend you apply this OOB update instead. For more information and instructions on how to install this update on your device, consult the below resources for your version of Windows:
Note: The OOB release for Windows Server 2019 will be released in near term.


 Source:

 
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