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Windows 10, version 1607 and Windows Server 2016 known issues and notifications

Find information on known issues and the servicing status for Windows 10, version 1607 and Windows Server 2016. 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 2, 2025

On October 13, 2026, Windows 10 LTSB 2016 will reach end of support. After this date, devices running this version will no longer receive security updates containing protections from the latest security threats. Check out the Microsoft lifecycle website and Lifecycle FAQ - Windows for more information. 
 
On January 12, 2027, Windows Server 2016 will reach end of support. For more information about servicing timelines, see the Windows Server 2016 lifecycle page. 
 
To learn about the latest version of Windows 11, see the Windows 11 release information page. For Windows Server, see the Windows Server release information page
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    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
    Connection and authentication failures in Azure Virtual Desktop and Windows 365
    Remote connection applications are affected. This includes the Windows App on Azure Virtual Desktop and Windows 365
    OS Build 14393.8783
    KB5073722
    2026-01-13
    Resolved
    2026-01-17
    14:07 PT

    Issue details

    January 2026

    Connection and authentication failures in Azure Virtual Desktop and Windows 365

    StatusOriginating updateHistory
    Resolved OS Build 14393.8783
    KB5073722
    2026-01-13
    Resolved: 2026-01-17, 14:07 PT
    Opened: 2026-01-14, 00:52 PT

    [Updated 2026-01-15: After further investigation, we concluded that this issue was not applicable to Windows 10, version 1607 (Windows 10 2016 LTSB edition). This version was removed from the "Affected platforms" section in this documentation.]

    After installing the January 2026 Windows security update (KB5073722), credential prompt failures might occur in some remote connection applications. This includes remote desktop connections using the Windows App on Windows client devices, on Azure Virtual Desktop and Windows 365. The Windows App is affected by this issue on specific Windows builds and can experience sign-in failures.

    Other remote connections and related applications may be similarly impacted.

    Resolution: To address this issue, an out-of-band (OOB) update was released January 17, 2026, in the Microsoft Update Catalog.

    If the OOB is not installed, one of the following connection options can be used as a temporary workaround:

    Affected platforms:

    • ​Client: Windows 11, version 25H2; Windows 11, version 24H2; Windows 11, version 23H2; Windows 10, version 22H2; Windows 10, version 21H2, Windows 10 Enterprise LTSC 2019
    • ​Server: Windows Server 2025; Windows Server 2022; Windows Server 2019
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