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Clients in WSUS at 99% due to Microsoft Defender updates Not installing

Danveer Negi 0 Reputation points
2024-09-27T18:55:35.1+00:00

Window defender Definition updates installation getting failed in Client machine through WSUS Server and Window security update installation working fine.

Windows Server Infrastructure
Windows Server Infrastructure
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Infrastructure: A Microsoft solution area focused on providing organizations with a cloud solution that supports their real-world needs and meets evolving regulatory requirements.
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Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
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  1. Jing Zhou 7,260 Reputation points Microsoft Vendor
    2024-10-04T02:25:06.4+00:00

    Hello,

     

    Thank you for posting in Q&A forum.

    There are few steps you can take to troubleshoot the WSUS issue:

    1.Make sure that the Windows Defender product and Definition Updates classification are selected in WSUS.

    Check if the updates are synced correctly.

    2.Stop the Windows Update service, rename the SoftwareDistribution folder and then restart the service.

    3.Manually download and install the latest Microsoft Defender definition updates from the Microsoft Update Catalog.

    4.Make sure that network and firewall settings is not stopping the updates.

     

    I hope the information above is helpful.

    If you have any questions or concerns, please feel free to let us know.

     

    Best regards，

    Jill Zhou

     

    If the Answer is helpful, please click "Accept Answer" and upvote it.

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