After a recent Windows 11 update, 24H2 from what I see, my Samba shares I have stopped working and tried requesting authentication. This share previously required no auth. The specific error message read:
You can’t access this shared folder because your organization’s security policies block unauthenticated guest access…
The Fix
Using Powershell (as administrator) enter the following.
Set-SmbClientConfiguration -EnableInsecureGuestLogons $true -Force Set-SmbClientConfiguration -RequireSecuritySignature $false -Force Set-SmbServerConfiguration -RequireSecuritySignature $false -Force
Once complete you should be able to access your Samba shares again.
Summary
In plenty of situations accessing open shared folders may be an issue. In my case this is a linux server on my private network used for quick file sharing between systems. Give it a try and let me know if you’ve run into the same issue and if the fix worked for you in the comments below.
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