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Folder on NAS not accessible by Windows, network credentials give access denied

Anonymous
2024-06-07T07:01:56+00:00

I have a home NAS setup (running openmediavault 5.5.6-1, outdated I know, but it does the job) where I recently backed up my files to. Lucky that I did, because two weeks ago my SSD got damaged/corrupted and I had to do a clean Windows install on another SSD. Now I am trying to retrieve the backup from the NAS, but I am getting an error when trying to access the main backup folder. I can however access the other folders on the NAS, such as my Pictures and Movies folders. I checked in the OMV control panel and the access settings appear to be the same for all folders there. Also, I was (of course) able to access this folder from the Windows distribution on my old SSD.

When trying to log in, I am met with an "Access is denied". This happens for both the OMV credentials (admin and root) and for the credentials of my Microsoft account. I have come across various similar situations online but could not find my fix between them. I have tried:

  • Removing/re-adding Windows credentials in the Credentials Manager. I did both with my OMV credentials and my Microsoft credentials, to no avail.
  • Changing the advanced network sharing settings. My current settings are:
    • Private
      • Turn on network discovery with turn on automatic setup of network connected devices
      • File and printer sharing turned on
    • Guest or public
      • Turn on network discovery
      • Turn on fie and printer sharing
    • All Networks
      • Turn on sharing so anyone with network access can read and write files in the Public folders
      • Use 128-bit encryption
      • Turn off password protected sharing
  • Running the secpol.msc command, navigating to Local Policies -> Security Options and disabling Accounts: limit local use of blank passwords to console logon only

None of these solve my issue, I am at my wits' end. Could anyone please help me?

Windows for home | Windows 10 | Files, folders, and storage

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Answer accepted by question author

Munkhu 2,690 Reputation points Independent Advisor
2024-06-07T11:05:30+00:00

Thank you very much for reaching out! As an Independent Advisor and fellow Microsoft user, I'm more than happy to assist you.

It seems like the issue might be related to permissions or user account configurations on your OMV NAS. Here are some additional steps you can try to resolve the issue:

  1. Check Folder Permissions on OMV:
    • Ensure that the specific backup folder has the correct permissions set for the user account you are using to access it. Sometimes, even if other folders are accessible, specific folders might have different permissions.
    • Go to the OMV web interface, navigate to the shared folder settings, and verify the permissions for the backup folder. Make sure the user account has the necessary read/write permissions.
  2. Create a New User on OMV:
    • As suggested in a similar case, creating a new user on OMV with the same username and password as your Windows local account might help. This can sometimes resolve access issues due to mismatched credentials.
  3. SMB Protocol Version:
    • Ensure that the SMB protocol version used by OMV is compatible with your Windows 10 setup. Sometimes, mismatches in SMB versions can cause access issues. You can check and adjust the SMB settings in the OMV web interface under Services -> SMB/CIFS.
  4. Clear Windows Credentials Cache:
    • Although you've already tried removing and re-adding credentials, ensure that the credentials cache is completely cleared. You can do this by:
      • Opening Command Prompt as an administrator.
      • Running the command: net use * /delete to clear all cached network credentials.
      • Rebooting your computer and then trying to access the NAS again.
  5. Check for OMV Updates:
    • Even though you are using an older version of OMV, check if there are any critical updates or patches available that might address this issue. Sometimes, updating to a newer version can resolve compatibility issues.
  6. Network Configuration:
    • Verify that your network configuration on both Windows and OMV is correct. Ensure that there are no IP conflicts and that the NAS is properly recognized on the network.
  7. Use IP Address Instead of Hostname:
    • Try accessing the NAS using its IP address instead of the hostname. Sometimes, DNS resolution issues can cause access problems.
  8. Check Firewall and Security Software:
    • Ensure that your firewall or any security software on Windows is not blocking access to the NAS. Temporarily disable them to see if it resolves the issue.

If none of these steps resolve the issue, you might want to consider seeking further assistance on the OpenMediaVault forums, where other users and experts might have additional insights specific to OMV configurations.

Please feel free to reach out if you require any additional assistance. I'm here to help!

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