ReFS Disk Turned RAW After Update on Windows Server 2012 R2

RFN 0 Reputation points
2025-02-12T14:36:27.9966667+00:00

Hi,

I'm having some trouble with Windows Server 2012 R2. I know this version is out of support, but after updating it, our disk that was in ReFS has been converted to RAW data.

I've read that this issue might be caused by an update, but I have checked all the updates we have, and I can't find any update that would cause this issue.

Does anyone have any idea about this issue?

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Windows Server 2012
Windows Server 2012
A Microsoft server operating system that supports enterprise-level management, data storage, applications, and communications.
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Windows Server Storage
Windows Server Storage
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Storage: The hardware and software system used to retain data for subsequent retrieval.
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  1. Ian Xue 39,466 Reputation points Microsoft Vendor
    2025-02-14T07:43:07.7133333+00:00

    Hi REN,

    Thanks for your post. Please try to ReFSUtil salvage for recovering data from volumes that show as RAW in Disk Management.

    Please refer to this link for details. ReFSUtil | Microsoft Learn

    If not, please try the following four solutions.

    Solution 1. Restore REFS Volume to an External HD

    Solution 2. Uninstall KB5009557

    Solution 3. Enable Integrity Streams for FileData

    Solution 4. Upgrade to the Latest Version of ReFS

    REFS Volume Showing as RAW! 4 Fixes Without Data Loss

    Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

    Best Regards,

    Ian Xue


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