Windows 10: SMB1 Error

Discus and support SMB1 Error in Windows 10 Network and Sharing to solve the problem; Hello all, I have a NAS that I have been using for years. All of a sudden I get the following error when I try to connect to it; You can't connect... Discussion in 'Windows 10 Network and Sharing' started by Potzki, Apr 28, 2019.

  1. Potzki Win User

    SMB1 Error


    Hello all,


    I have a NAS that I have been using for years. All of a sudden I get the following error when I try to connect to it;


    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 attach.

    Your system requires SMB2 or higher.


    This NAS helds backups of all my files and is quite important. Is there a way of fixing this error?


    Thanks,

    :)
     
    Potzki, Apr 28, 2019
    #1
  2. DavidY Win User

    SMB1 Product Clearinghouse


    The list does rely on vendors adding themselves to it though.
    I have an old Seagate Goflex Home NAS drive which isn't on the list but, as far as I can make out, needs SMB1 to work.
    (Leastways, I've not managed to connect after I tried disabling SMB1.)
    But unless Seagate add themselves, they won't be on that Microsoft page.
     
    DavidY, Apr 28, 2019
    #2
  3. I disabled SMB1. My network computers are no longer listed. What can I do?

    Without working SMB 1 (e.g. by disabling it as suggested here), browsing for computers
    with shares using Windows Explorer will not work any longer (as expected). They are still available by using \\COMPUTER\... which, I guess, involves a DNS lookup, but they are not listed automatically.

    • What graphical or non-graphical (cmd, PowerShell) ways are there on Windows 10 to list remote machines which offer shares?
    • Does running with or without a Domain change the available options?
     
    Gameplay_Ethan, Apr 28, 2019
    #3
  4. SMB1 Error

    SMB1 disabled; No longer have access to mapped network shares via File Explorer

    As per Microsoft suggestion I disabled the SMB1 protocol to stave off Wcry type attacks. At the same time I made sure SMB2 protocol was enabled. Now, i can no longer access mapped network shares using File Explorer. To verify the situation I turned SMB1
    back on and was again able to use File Explorer successfully. The network drive is operating properly; I checked using the browser admin features over IP. At present SMB1 is still off and SMB2 is on.

    What must I do short of re-enabling SMB1 to allow File Explorer to access the network drive?

    M.B.

    Config; Windows 10 Pro - latest, Synology DSM - latest
     
    Major Bystander, Apr 28, 2019
    #4
Thema:

SMB1 Error

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