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Andrew N. Kowtalo
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Receiving SMB1 fail attempting to UNC to Server 2003

Has anyone ran across this issue?  I am just seeing this for the 1st time.   I have a users running 1903 patch on a windows 10 pro laptop.   When he tries to UNC to his server he is getting this error..

You can't connect to the file share because its not secure.   This share requires the obsolete SMB1 protocol, which is unsafe and could expose your system to attack.   Your system requires SMB2 or higher.  For more info on resolving this issue, see:
https://support.microsoft.com/en-us/help/4034314/smbv1-is-not-installed-by-default-in-windows

The file server is 2003 however other machines in the company on the same domain running Windows 10 pro with almost the latest feature patch ARE able to access the 2003 server share.   I can't UNC to the file server from his machine either get the same error

[Window Title]
\\alpha2

[Content]
\\alpha2

You can't connect to the file share because it's not secure. This share requires the obsolete SMB1 protocol, which is unsafe and could expose your system to attack.
Your system requires SMB2 or higher. For more info on resolving this issue, see: https://go.microsoft.com/fwlink/?linkid=852747


[OK]

He needs to access these files to work.
Windows 10Windows OS

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Last Comment
Alex

8/22/2022 - Mon
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Alex

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Andrew N. Kowtalo

ASKER
Hi Alex where am I doing this from?  The file server or his machine?
Alex

his machine, your file server is fine, it's just massively outdated. Yes, you need to upgrade/migrate to a new OS.

Regards
Alex
Alex

Oh that's meant to be run in powershell btw
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William Peck
Andrew N. Kowtalo

ASKER
Alex I will give this a try.  I just wonder why its on his machine and everyone else is able to still connect all on the same domain.    His feature updates are way out I thought maybe upgrading him to 1909 would fix it.
Alex

Because by default SMBv1 is disabled and it's entirely possible someone else went around and enabled it for those users :-)

Regards
Alex
Andrew N. Kowtalo

ASKER
Alex was fast and accurate thank you very much.
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Alex

Excellent, you're very much welcome, anything else give me a shout.

Regards
Alex