March 11, 2025 Security Update (KB5053603)

For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Azure Stack HCI, version 22H2, see its update history page.

Improvements

This security update includes quality improvements. The following summary outlines key issues addressed by the KB update after you install it. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.

[Daylight saving time (DST)] This update supports (DST) changes in Paraguay.
[Open Secure Shell (OpenSSH) (known issue)] Fixed: The service fails to start, which stops SSH connections. There is no detailed logging, and you must run the sshd.exe process manually.
[GB18030-2022] This update adds support for this amendment.
[Azure Virtual Network] Fixed: You can turn off the VNET metering feature with the following registry key. Registry key: HKLM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet Registry value: MeteringDisabled (DWORD type) Data to be set: 1

If you installed earlier updates, your device downloads and installs only the new updates contained in this package.

For more information about security vulnerabilities, see the Security Update Guide and the March 2025 Security Updates.

To find more info on Azure Local, see Azure Stack HCI.

Azure Stack HCI, version 22H2 servicing stack update (KB5053666)- 20349.3320

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. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.

Known issues in this update

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

How to get this update

Before you install 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.

To install the LCU on your Azure Stack HCI cluster, see Update Azure Stack HCI clusters.

Install this update

To install this update, use one of the following Windows and Microsoft release channels.

Available	Next Step
	This update downloads and installs automatically from Windows Update and Microsoft Update.

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 5053606.

For a list of the files that are provided in the servicing stack update, download the file information for the SSU (KB5053666) - version 20349.3320.

March 11, 2025 Security Update (KB5053603)

Improvements

Azure Stack HCI, version 22H2 servicing stack update (KB5053666)- 20349.3320

Known issues in this update

How to get this update

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Available	Next Step
	To get the standalone package for this update, go Microsoft Update Catalog