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Unable to apply updates to my Windows 11 domain-joined workstations

Warren Trumpour 0 Reputation points
2026-02-26T18:56:08.3033333+00:00

We are running a non-Internet connected environment with all machines joined to a domain. We use a third-party patch solution to manage and apply Windows updates on a monthly basis. We have just begun deploying Windows 11 LTSC 2024 and for some reason the patches all fail. The error code we received is 0x800f0838.

Moved from: Windows for home | Windows 11 | Windows update

Windows for business | Windows Client for IT Pros | Devices and deployment | Install Windows updates, features, or roles

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  1. Warren Trumpour 0 Reputation points
    2026-02-27T14:51:34.0133333+00:00

    Thank you for reaching out Lychee-Ng,

    At this point I am trying to install the most recent update (kb5070311-x64) on a PC which had an in-place upgrade from Windows 10 to Windows 11 2024 LTSC. The patch fails shortly after initialization.

    I built a clean virtual machine with the same install media, and the patch applied perfectly fine. I created a snapshot of the VM before I patched it. I'm planning to revert the snapshot back to the original clean build then add the VM to the domain and attempt to patch. I will let you know the results. In the meantime, please advise if there are any checkpoint updates required for the KB.

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