“You can’t access this shared folder because your organization’s security policies block unauthenticated guest access”

Have you ever see this kind of error message before? I did this morning when I tried to access one of the shared folder in our network. I am very sure I did not do anything on any setting and this error suddenly just came up. Tried to troubleshoot, reset network settings, spent hours on it but all seems does not work out. Decided to google it, found one of the solution as per below and finally fixed it.

Search or Run gpedit.msc.

Go to Computer Configuration>Administrative Templates>Network>Lanman Workstation.

Open “Enable insecure guest logons” and choose Enabled. (leave yourself a comment, “I was here” …. just for fun).

Apply it and you are done.

Have a try and good luck.

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