Windows 10: Unable to locate network machines while using SMBv2 protocol

Discus and support Unable to locate network machines while using SMBv2 protocol in Windows 10 Network and Sharing to solve the problem; A week or two ago (around NewYear 2019) my Win10 based laptop stopped seeing local network machines using SMB2 protocol. Accessing shares by explicit... Discussion in 'Windows 10 Network and Sharing' started by Hale_ru, Jan 12, 2019.

  1. Hale_ru Win User

    Unable to locate network machines while using SMBv2 protocol


    A week or two ago (around NewYear 2019) my Win10 based laptop stopped seeing local network machines using SMB2 protocol. Accessing shares by explicit machine names works fine.


    Before that I had no problems with listing active machine names. Nothing was changed from my side; but windows 10 updates itself without prompting, or telling what it plans to update... so probably it was damaged from Microsoft side.


    SMB1 was disabled long ago.

    There is a forced master browser NAS/Router with SAMBA working 24x7. SMB2 protocol is forced for shares. Higher SMB versions are not supported there. Domain controller features are not used - only master browser and WINS(nmbd). Access is based on user name/password in all the network. DNS (dnsmasq) is also configured for local network domain suffix. i.e. Both WINS and DNS fulfill dynamic LAN name resolution with no problems.


    In windows 10 SMB2 seems enabled, but unable to get network resource listing from SAMBA master browser.


    PS C:\windows\system32> Get-SmbServerConfiguration | Select EnableSMB2Protocol
    EnableSMB2Protocol
    ------------------

    True


    All the firewalls are configured for private LAN with file sharing and I also tried disabling(opening) the firewalls inside the LAN.


    When installing SMB1 client on WIn10, and allowing SMB1 in SAMBA, the network machine listing revives. But still, it is not correct, since SMB1 is deprecated and not supported by default in Windows anymore.


    Is there a way to bring SMB2 LAN machine listing back to life on Windows 10?



    ***Modified title from: Win10 stopped listing home network machines through SMB2 protocol.***

    :)
     
    Hale_ru, Jan 12, 2019
    #1

  2. unable to access printer from XP shared machine

    Hi,

    Thank you for the update.

    I suggest you to disable the SNMP option from Windows features and check if it helps.

    To do that please follow the steps below:

    • Type Windows feature in the search bar.
    • Open Turn windows feature On or Off.
    • Locate SNMP. Simple Network Management Protocol and Turn it off.

    Please let us know to in future if you need further help.

    Thank you.
     
    Krishna Prasobh V, Jan 12, 2019
    #2
  3. MrWhoopee Win User
    MrWhoopee, Jan 12, 2019
    #3
  4. Unable to locate network machines while using SMBv2 protocol

    Network Protocols


    You'll restart the machine at least once.
    Save any work, close open programs.
    Any unsaved work will be lost.

    The run command quickly gets you to Network Connections

    WinKey+R ncpa.cpl
    After each suggested solution, see the issue is resolved.
    If one suggestions fixes the issue, you do NOT have to do any of the other suggestions.

    1. Run the built-in Troubleshooter
      Right click the network icon on the Taskbar
      Pick Troubleshoot problems
      Select Identify and repair network problems
      Follow instructions in the troubleshooter
    2. Reset networking
      Launch Command Prompt (Admin)
      Copy the lines in the code box below
      Right click in the Command Prompt window to paste

      Code:
      Code:
      netsh winsock reset  netsh int ip reset  netsh int ipv4 reset  netsh int ipv6 reset  ipconfig /renew  ipconfig /flushdns
      Restart your machine
    3. Disable IPv6
      Open Network Connections
      Right click on the affected adapter(s) (Wifi, Ethernet, or each one of them)
      Select Properties
      Scroll down to Internet Protocol version 6 (TCP/IPv6)
      Remove the check mark
      Press OK

      Restart your machine
    4. Reinstall TCP/Pv4
      Launch Command Prompt (Admin)
      enter the following commands
      netsh int ipv4 install
      exit
      Restart your machine
    5. Restart Your Network Adapters
      Open Network Connections
      Right click the affected adapter(s) (Wifi, Ethernet, or each one of them)
      Pick Disable

      Restart your machine

      Open Network Connections
      Right click the affected adapter(s) (Wifi, Ethernet, or each one of them)
      Pick Enable
    6. Uninstall and Reinstall Your Security/Antivirus Software
     
    Slartybart, Jan 12, 2019
    #4
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Unable to locate network machines while using SMBv2 protocol

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