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Windows 10, version 1809 and Windows Server 2019

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Find information on known issues and the servicing status for Windows 10, version 1809 and Windows Server 2019. For immediate help with Windows update issues, click here if you are using a Windows device to open the Get Help app or go to support.microsoft.com. Follow @WindowsUpdate on X (formerly Twitter) for Windows release health updates. If you are an IT administrator and want to programmatically get information from this page, use the Windows Updates API in Microsoft Graph.

Current status as of May 11, 2021:
As of May 11, 2021, all editions of Windows 10, version 1809 and Windows Server 2019 have reached end of servicing, except LTSC editions. Devices running these editions will no longer receive monthly security and quality updates containing protections from the latest security threats.

As always, we recommend that you update your devices to the latest version of Windows 10 as soon as possible to ensure that you can take advantage of the latest features and advanced protections from the latest security threats. For information about servicing timelines and lifecycle, see the Windows 10 release information and Lifecycle FAQ - Windows.

    Known issues

    See open issues, content updated in the last 30 days, and information on safeguard holds. To find a specific issue, use the search function on your browser (CTRL + F for Microsoft Edge).

    SummaryOriginating updateStatusLast updated
    Windows Server 2022 and Server 2019 unexpectedly upgraded to Windows Server 2025
    This issue has been mitigated. It was observed when updates were managed through some third-party applications.
    		N/A

    		Mitigated
    		2024-11-13
    17:15 PT
    August 2024 security update might impact Linux boot in dual-boot setup devices
    This issue might impact devices with dual-boot setup for Windows and Linux when SBAT setting is applied
    		OS Build 17763.6189
    KB5041578
    2024-08-13    		Mitigated
    		2024-09-20
    12:41 PT
    Apps that acquire or set Active Directory Forest Trust Information might have issues
    Apps using Microsoft .NET to acquire or set Forest Trust Information might fail, close, or you might receive an error.
    		OS Build 17763.2452
    KB5009557
    2022-01-11    		Mitigated
    		2022-02-07
    15:36 PT

    Issue details

    November 2024

    Windows Server 2022 and Server 2019 unexpectedly upgraded to Windows Server 2025

    StatusOriginating updateHistory
    MitigatedN/A

    		Last updated: 2024-11-13, 17:15 PT
    Opened: 2024-11-09, 12:16 PT

    Windows Server 2025 is intended to be offered as an Optional upgrade in Windows Update settings for devices running Windows Server 2019 and Windows Server 2022. Two scenarios were observed in certain environments:

    • ​Some devices upgraded automatically to Windows Server 2025 (KB5044284). This was observed in environments that use third-party products to manage the update of clients and servers. Please verify whether third-party update software in your environment is configured not to deploy feature updates. This scenario has been mitigated.
    • ​An upgrade to Windows Server 2025 was offered via a message in a banner displayed on the device’s Windows Update page, under Settings. This message is intended for organizations that want to execute an in-place upgrade. This scenario has already been resolved.

    The Windows Server 2025 feature update was released as an Optional update under the Upgrade Classification: “DeploymentAction=OptionalInstallation”. Feature update metadata must be interpreted as Optional and not Recommended by patch management tools.

    We advise organizations to use Microsoft-recommended methods to deploy Windows Server feature updates.

    Next steps: Microsoft is working with third-party providers to streamline best practices and recommended procedures. As an interim measure, Microsoft has also temporarily paused the upgrade offer via the Windows Update settings panel. We estimate it will be available in the first half of 2025. All other upgrading methods to install Windows Server 2025 are still available through the usual channels.

    Once the offer via Windows Update resumes, IT administrators will be able to control the feature update offer banner by setting the target version to “hold” in the Group Policy “Select the target Feature Update version.” To learn how to manage feature updates via this group policy, see Manage Feature Updates with Group Policy on Windows Server.

    Note: The Windows Server 2025 feature update was made available on November 1, 2024, as KB5044284, which was the same KB number used for Windows 11, version 24H2. This is the KB numbering for both client and server Windows updates. Future updates released for Windows Server 2025 and Windows 11, version 24H2 will share the same KB numbers, but will have different release note sites and links. 

    Affected platforms:

    • ​Client: None
    • ​Server: Windows Server 2025; Windows Server 2022; Windows Server 2019 

    August 2024

    August 2024 security update might impact Linux boot in dual-boot setup devices

    StatusOriginating updateHistory
    MitigatedOS Build 17763.6189
    KB5041578
    2024-08-13    		Last updated: 2024-09-20, 12:41 PT
    Opened: 2024-08-21, 18:33 PT

    After installing the August 2024 Windows security update, (KB5041578) or the August 2024 preview update, you might face issues with booting Linux if you have enabled the dual-boot setup for Windows and Linux in your device. Resulting from this issue, your device might fail to boot Linux and show the error message “Verifying shim SBAT data failed: Security Policy Violation. Something has gone seriously wrong: SBAT self-check failed: Security Policy Violation.”

    The August 2024 Windows security and preview updates apply a Secure Boot Advanced Targeting (SBAT) setting to devices that run Windows to block old, vulnerable boot managers. This SBAT update will not be applied to devices where dual booting is detected. On some devices, the dual-boot detection did not detect some customized methods of dual-booting and applied the SBAT value when it should not have been applied.

    IMPORTANT: This known issue only occurs with the installation of the August 2024 security and preview updates. The September 2024 security update (KB5043050) and later updates do not contain the settings that caused this issue. If you install the September 2024 update, you don’t need to apply the workaround below.

    Workaround:

    If your Linux becomes unbootable after installing the August 2024 security or preview updates, you can recover your Linux system by following these instructions.

    Important: This documentation contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, see How to back up and restore the registry in Windows. Also, note that modifying firmware settings incorrectly might prevent your device from starting correctly. Follow these instructions carefully and only proceed if you are confident in your ability to do so.

            a) Disable Secure Boot:

    • ​Boot into your device’s firmware settings.
    • ​Disable Secure Boot (steps vary by manufacturer).
            b) Delete SBAT Update:

    • ​Boot into Linux.
    • ​Open the terminal and run the below command:
    sudo mokutil --set-sbat-policy delete
    • ​Enter your root password if prompted.
    • ​Boot into Linux once more.
            c) Verify SBAT Revocations:

    • ​In the terminal, run the below command:
    mokutil --list-sbat-revocations
    • ​Ensure the list shows no revocations.
            d) Re-enable Secure Boot:

    • ​Reboot into the firmware settings.
    • ​Re-enable Secure Boot.
            e) Check Secure Boot Status:

    • ​Boot into Linux. Run the below command:
     mokutil --sb-state
    • ​The output should be “SecureBoot enabled”. If not, retry step d).
            f) Prevent Future SBAT Updates in Windows:

    • ​Boot into Windows.
    • ​Open Command Prompt as Administrator and run:
    reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecureBoot\SBAT /v OptOut /d 1 /t REG_DWORD

    At this point, you should now be able to boot into Linux or Windows as before. It’s a good time to install any pending Linux updates to ensure your system is secure.

    NOTE: On Windows-only systems, after installing the September 2024 or later updates, you can set the registry key documented in CVE-2022-2601 and CVE-2023-40547 to ensure the SBAT security update is applied. On systems that dual-boot Linux and Windows, there are no additional steps necessary after installing the September 2024 or later updates.

    Next Steps: We are working on a final resolution that will be available in a future Windows update. We recommend you install the September 2024 update or later Windows updates to avoid this issue.

    Affected platforms:

    • ​Client: Windows 11, version 23H2; Windows 11, version 22H2; Windows 11, version 21H2; Windows 10, version 22H2; Windows 10, version 21H2; Windows 10 Enterprise 2015 LTSB
    • ​Server: Windows Server 2022; Windows Server 2019; Windows Server 2016; Windows Server 2012 R2; Windows Server 2012

    February 2022

    Apps that acquire or set Active Directory Forest Trust Information might have issues

    StatusOriginating updateHistory
    MitigatedOS Build 17763.2452
    KB5009557
    2022-01-11    		Last updated: 2022-02-07, 15:36 PT
    Opened: 2022-02-04, 16:57 PT

    After installing updates released January 11, 2022 or later, apps using Microsoft .NET Framework to acquire or set Active Directory Forest Trust Information might fail, close, or you might receive an error from the app or Windows. You might also receive an access violation (0xc0000005) error. Note for developers: Affected apps use the System.DirectoryServices API.

    Next Steps: This issue was resolved in the out-of-band update for the version of .NET Framework used by the app. Note: These out-of-band updates are not available from Windows Update and will not install automatically. To get the standalone package, search for the KB number for your version of Windows and .NET Framework in the Microsoft Update Catalog. You can manually import these updates into Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager. For WSUS instructions, see WSUS and the Catalog Site. For Configuration Manger instructions, see Import updates from the Microsoft Update Catalog.

    For instructions on how to install this update for your operating system, see the KB articles listed below:

    • ​Windows Server 2022: 
    • ​Windows Server 2019: 
    • ​Windows Server 2016: 
    • ​Windows Server 2012 R2: 
    • ​Windows Server 2012:

    Affected platforms:

    • ​Client: None
    • ​Server: Windows Server 2022; Windows Server 2019; Windows Server 2016; Windows Server 2012 R2; Windows Server 2012

    Report a problem with Windows updates

    To report an issue to Microsoft at any time, use the Feedback Hub app. To learn more, see Send feedback to Microsoft with the Feedback Hub app.

    Need help with Windows updates?

    Search, browse, or ask a question on the Microsoft Support Community. If you are an IT pro supporting an organization, visit Windows release health on the Microsoft 365 admin center for additional details.

    For direct help with your home PC, use the Get Help app in Windows or contact Microsoft Support. Organizations can request immediate support through Support for business.

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