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

Ray Huang 11 Reputation points
2020-08-05T05:51:36.057+00:00

Hi Sir

i have two PCs:

PC-A: Windows 10 1909
PC-B: Windows 7 (have a shared folder)

everything working well when PC-A is Windows 10 1803, after upgrade to 1909,
i will get below error when accessing PC-B shared folder "You can’t access this shared folder because your organization’s security policies block unauthenticated guest access"
15712-2018-03-02-17-02-52-1.png

after search on google, get the common solution is enable "Insecure guest logons" in GPO.
https://support.microsoft.com/en-us/help/4046019/guest-access-in-smb2-disabled-by-default-in-windows-10-and-windows-ser

but i do not want to enable the insecure setting in GPO.

so the question is how can i config the PC-B that can meet the Win10-1909 security policy in order to allow me to access the PC-B shared folder?

Thanks,
Ray

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Windows 10 Network
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Windows 10: A Microsoft operating system that runs on personal computers and tablets.Network: A group of devices that communicate either wirelessly or via a physical connection.
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Windows 10: A Microsoft operating system that runs on personal computers and tablets.Security: The precautions taken to guard against crime, attack, sabotage, espionage, or another threat.
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12 answers

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  1. Chris 0 Reputation points
    2024-02-20T16:49:23.2466667+00:00

    I believe I was seeing this issue when I tried to access a network share folder. I had the correct logon credentials for the network share, but it didn't allow me to enter the credentials when I tried to access the network share folder. Confusingly, a different account on the same machine was able to provide credentials and open the shared folder.

    What ended up working for me was adding the credential information to the Windows Credential vault for the network location of the share. By just adding the username, I was able to enter the credentials when I attempted to open the shared folder. Adding the credential to the vault appears to satisfy the network logon requirement for non-guest access.

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  2. Qamar Idrees 0 Reputation points
    2024-05-24T08:31:04.2066667+00:00

    This is happening in mostly the newer version of windows 11 and windows server 2019 and above for security reasons. Here is the solution if you want to bypass this Unauthenticated Guest Access

    https://blog.itgranules.com/how-to-fix-the-unauthenticated-guest-access-issue-in-shared-folders

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