March 14, 2023—KB5023752 (Security-only update)

IMPORTANT For Windows Server 2012, the end of support (EOS) date is October 10, 2023. Extended Security Updates (ESUs) will be available for purchase no later than October 2022, but available for installation after the EOS date, October 10, 2023. ESUs will continue for three years, renewable on an annual basis, until the final date on October 13, 2026. We recommend that you upgrade to a later version of Windows Server.

Learn more about the ESU program Learn more about upgrading Windows Server

Summary

Learn more about this security-only update, including improvements, any known issues, and how to get the update.

Notes

Verify that you have installed the required updates listed in the How to get this update section before installing this update.
For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows Server 2012 update history home page.

Improvements

This update makes improvements for the following issues:

After applying a Windows update released on or after July 12, 2022, hyperlinks embedded in an Excel workbook that use the search-ms protocol might stop working.
The Local Security Authority Subsystem Service (Lsass.exe) might stop responding after System Preparation (sysprep) is run on a domain-joined device.
After applying a Windows update released on or after November 8, 2022 on a server running Windows Server 2012, audio loss might occur.
By order of the Mexican government in October 2022, the United Mexican States will not observe daylight saving time (DST) in 2023. Key changes in the order include the following:
- Updated DST rules for Mountain Standard Time (Mexico) and Central Standard Time (Mexico) to no daylight saving time starting in 2023.
- Changed Chihuahua time zone from (UTC -7:00) Mountain Standard Time (Mexico) to (UTC -6:00) Central Standard Time (Mexico).
- Changed Ojinaga time zone from (UTC -7:00) Mountain Standard Time (Mexico) to (UTC -6:00) Central Standard Time (Mexico)
- Created a new time zone America/Ciudad_Juarez and mapped it to Mountain Standard Time (Mexico).
This update implements the final phase of DCOM hardening as described in KB5004442. This phase removes the ability to disable changes through the registry.

For more information about the resolved security vulnerabilities, please refer to the Deployments | Security Update Guide and the March 2023 Security Updates.

Known issues in this update

Symptom

Next step

After this update or a later Windows update is installed, domain join operations might be unsuccessful and error "0xaac (2732): NERR_AccountReuseBlockedByPolicy" occurs. Additionally, text stating "An account with the same name exists in Active Directory. Re-using the account was blocked by security policy" might be displayed.

Affected scenarios include some domain join or re-imaging operations where a computer account was created or pre-staged by a different identity than the identity used to join or re-join the computer to the domain.

For more information about this issue, see KB5020276—Netjoin: Domain join hardening changes.

Note Consumer Desktop editions of Windows are unlikely to experience this issue.

Please see KB5020276 for guidance on this issue.

Because this version of Windows is at or near the end of support (EOS), we recommend upgrading to a later version of Windows. For more information, see Get the latest Windows update.

How to get this update

Before installing this update

We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

If you use Windows Update, the latest SSU (KB5023791) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

REMINDER If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer (KB5022835).

Language packs

If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update.

Learn about adding a language pack to Windows

Install this update

Release Channel	Available	Next Step
Windows Update and Microsoft Update	No	See the other options below.
Microsoft Update Catalog	Yes	To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)	Yes	This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows Server 2012, Windows Embedded 8 Standard Classification: Security Update

File information

For a list of the files that are provided in this update, download the file information for update KB5023752.

References

Learn about the standard terminology that is used to describe Microsoft software updates.

March 14, 2023—KB5023752 (Security-only update)

Summary

Improvements

Known issues in this update

How to get this update

File information

References

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