How to access a WD MyCloud external drive in Windows 11?

Bill Z 0 Reputation points
2025-08-01T20:46:48.8333333+00:00

I have a WD MyCloud network hard drive that I could access from my Windows 10 desktop. Now I have a Windows 11 desktop and I cannot access the MyCloud. I can "see" the drive in ThisPC but when I try to map the MyCloud I keep getting an "An extended error has occurred" error message with no code. How do I configure Windows 11 to be able to access a legacy device? I backed up information from my old computer to be able to move it to this computer.

Windows for home | Windows 11 | Files, folders, and storage

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  1. Jeronimo Fuerte 41,850 Reputation points Independent Advisor
    2025-08-03T17:53:13.1633333+00:00

    SMB 1.0 has well‑known vulnerabilities, it’s been disabled by default on secure systems since 2017.

    Guest access means no authentication and no signing so your disk is exposed to anyone on your home network unless behind a strong firewall.

    Keeping SMB 1.0 enabled increases risk of malware spread across your LAN. Therefore, the correct workflow is: enable > copy > disable > lock back SMB settings.

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  2. Jeronimo Fuerte 41,850 Reputation points Independent Advisor
    2025-08-01T21:59:52.7233333+00:00

    Hi! This is a communication error due to old protocols, the best fix is to bring the drive up to SMB 2/3 if possible, or, if that isn’t an option, temporarily re-enable the legacy protocol on your Windows 11 PC long enough to copy your data. Only use this while you copy data off the old NAS; SMB 1.0 is vulnerable and should be disabled afterward

    Please follow the steps of this link:

    https://learn.microsoft.com/en-us/windows-server/storage/file-server/troubleshoot/detect-enable-and-disable-smbv1-v2-v3

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