September 10, 2024—KB5043138 (Monthly Rollup)
Release Date:
10/09/2024
Version:
Monthly Rollup
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Important The installation of this Extended Security Update (ESU) might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012 R2. For a successful installation, please make sure all Subset of endpoints for ESU only are met as described in Connected Machine agent network requirements. |
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Windows 8.1 reached the end of support (EOS) on January 10, 2023, at which point technical assistance and software updates are no longer provided. If you have devices running Windows 8.1, we recommend upgrading them to a more current, in-service, and supported Windows release. If devices do not meet the technical requirements to run a more current release of Windows, we recommend that you replace the device with one that supports Windows 11.
Microsoft will not be offering an Extended Security Update (ESU) program for Windows 8.1. Continuing to use Windows 8.1 after January 10, 2023 may increase an organization’s exposure to security risks or impact its ability to meet compliance obligations. For more information, see Windows 8.1 support will end on January 10, 2023.
We recommend upgrading to a later version of Windows. For more information, see Upgrade to a later version of Windows.
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Windows Server 2012 R2 reached the end of support (EOS) on October 10, 2023. Extended Security Updates (ESUs) are available for purchase and will continue for three years, renewable on an annual basis, until the final date on October 13, 2026. For more information, see Windows Server End of Support: Key Dates. For information about the procedure to continue receiving security updates, see KB5031043. We recommend upgrading to a later version of Windows Server. For more information, see Overview of Windows Server upgrades.
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Windows Embedded 8.1 Industry Enterprise and Windows Embedded 8.1 Industry Pro reached the end of support (EOS) on July 11, 2023. Therefore, technical assistance and software updates are no longer provided.
Summary
Learn more about this cumulative security update, including improvements, any known issues, and how to get the update.
Note For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, see Description of the standard terminology that is used to describe Microsoft software updates. To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history home page.
Improvements
This cumulative security update includes improvements that are part of update KB5041828 (released August 13, 2024). The following is a summary of the key issues that this update addresses. The bold text within the brackets indicates the item or area of the change we are documenting.
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[User Account Control (UAC)] When the Windows Installer repairs an application, the UAC does not prompt for your credentials. After you install this update, it will prompt for them. Because of this, you might have to update your automation scripts. Additionally, you should add the Shield icon to indicate that your automation scripts require full administrator access. To turn off the UAC prompt, set the HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer\DisableLUAInRepair registry value to 1. For more information, see:
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[Remote Desktop Services (RDS)] Fixes an issue in which RDS would stop responding.
For more information about the resolved security vulnerabilities, please refer to the Deployments | Security Update Guide and the September 2024 Security Updates.
Known issues in this update
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After installing the Windows update released on or after July 9, 2024, Windows Servers might affect Remote Desktop Connectivity across an organization. This issue might occur if legacy protocol (Remote Procedure Call over HTTP) is used in Remote Desktop Gateway. Resulting from this, remote desktop connections might be interrupted. This issue might occur intermittently, such as repeating every 30 minutes. At this interval, logon sessions are lost and users will need to reconnect to the server. IT administrators can track this as a termination of the TSGateway service which becomes unresponsive with exception code 0xc0000005. |
To work around this issue, use one of the following options: Option 1: Disallow connections over pipe, and port \pipe\RpcProxy\3388 through the RD Gateway. This process will require the use of connection applications, such as firewall software. Consult the documentation for your connection and firewall software for guidance on disallowing and porting connections. Option 2: Edit the registry of client devices and set the value of RDGClientTransport to 0x00000000 (0) In Windows Registry Editor, navigate to the following registry location: HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client Find RDGClientTransport and set its value to 0 (zero). This changes the value of RDGClientTransport to 0x00000000 (0). We are working on a resolution and will provide an update in an upcoming release. |
For the current status of any past known issue, see the Windows Server 2012 Known Issues page.
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 you install the latest Monthly Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Monthly 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 (KB5044410) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
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. For more information, see Learn about adding a language pack to Windows.
Install this update
To install this update, use one of the following release channels.
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This update will be downloaded and installed automatically from Windows Update. |
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Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. To download updates from the Update Catalog, see Steps to download updates from the Windows Update Catalog. |
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Available |
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This update will automatically sync if you configure Products and Classifications as follows:
For more information about configuring in WSUS, see Windows Server Update Services (WSUS). For more information about configuring in Configuration Manager, see Synchronize software updates. |
File information
For a list of the files that are provided in this update, download the file information for update KB5043138.
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