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windows 10 filesharing stopped working

Andre Joosten 0 Reputation points
2025-02-25T22:44:14.74+00:00

I have a couple windows 10 pcs on private LAN.

one hosts Hyper-v. This host has a couple of shared folders. The other pcs can see the host pc, but cannot access the shares (non specic error)

The host pc can access shares on other pcs. The host pc also cannot access its own shares (trough the network node of explorer).

I mention Hyper-v, because it seems the problem stared when i added Ubunutu vm, but could be a coinsidance.

Did follow https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/cannot-access-shared-folder-file-explorer

Windows Network
Windows Network
Windows: A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.Network: A group of devices that communicate either wirelessly or via a physical connection.
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  1. Zunhui Han 3,810 Reputation points Microsoft External Staff
    2025-03-13T09:02:42.02+00:00

    Hello,

    Thank you for posting in Q&A forum.

    Based on the information you provided, I suggest you try the following steps to see if the problem can be solved:

    1. Make sure the shared folder has the correct share permissions and NTFS permissions. Right-click the shared folder and select Properties. Go to the "Sharing" tab and click "Advanced Sharing". Click Permissions and make sure the Everyone group or specific users have Read or Read/Write access. Go to the Security tab and make sure the same permissions are applied.
    2. Windows Firewall may block file sharing. Open Control Panel > Windows Defender Firewall > Allow an application or feature through Windows Defender Firewall. Make sure the network allows file and printer sharing.
    3. If the virtual machine needs to communicate with the host and other PCs in the LAN, make sure the virtual switch is configured as internal or external, not "private".

    I hope the information above is helpful.

    Best regards

    Zunhui

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