Supported SMB versions OS v OS

SenhorDolas 1,296 Reputation points
2023-09-06T16:25:06.0766667+00:00

Hi

Is there a document that lists which SMB versions are supported by which OS?

I am trying to establish if W2K8 SMB 2.1 is supported by W2K22/19 (file servers)?

I came across this one but I can't make sense...

https://learn.microsoft.com/en-US/windows-server/storage/file-server/troubleshoot/detect-enable-and-disable-smbv1-v2-v3?tabs=server

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Accepted answer
  1. Anonymous
    2023-09-06T18:18:32.78+00:00

    Yes, Server 2019 and 2022 can step down to SMB v2, might check the signing options are in agreement.

    https://techcommunity.microsoft.com/t5/storage-at-microsoft/configure-smb-signing-with-confidence/ba-p/2418102

    https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/overview-server-message-block-signing

    --please don't forget to upvote and Accept as answer if the reply is helpful--

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  2. SenhorDolas 1,296 Reputation points
    2023-09-07T08:39:26.6866667+00:00

    @Muhammad Binyameen + @Anonymous

    Thank you for your help with my question.

    Today I found this note that lists OS v SMB version.

    https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-smb2/a64e55aa-1152-48e4-8206-edd96444e7f7

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