How to disable NetBIOS in Windows 10

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
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NetBIOS is a somewhat obsolete broadband protocol. Yet, despite its vulnerabilities, NetBIOS is still enabled by default for network adapters in Windows. Some users might prefer to disable the NetBIOS protocol. This is how users can disable NetBIOS in Windows 10.

How can I disable disable NetBIOS on my PC?

1. Select the Disable NetBIOS over TCP/IP Option

  1. Users can select the Disable NetBIOS over TCP/IP option for network adapters. To do that, open the Win + X menu with the Windows key + X hotkey.
  2. Click Run to launch that accessory.
  3. Enter ‘control.exe /name Microsoft.NetworkAndSharingCenter’ in the Open box, and click the OK button.
    The Run accessory windows 10 how to disable netbios
  4. Then click Change adapter settings in the Control Panel applet that opens to open Network Connections as below.Network connections windows 10 how to disable netbios
  5. Right-click a network adapter there to select Properties.
    WiFi Properties window windows 10 how to disable netbios
  6. Select Internet Protocol Version 4, and then press the Properties button.Internet Protocol Version 4 windows 10 how to disable netbios
  7. Click the Advanced button to open the Advanced TCP/IP Settings window.
  8. Then select the WINS tab shown directly below.
    The Disable NetBIOS over TCP/IP option windows 10 how to disable netbios
  9. Select the Disable NetBIOS over TCP/IP radio button.
  10. Press the OK button.

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2. Disable NetBIOS via the Command Prompt

  1. Alternatively, users can disable NetBIOS with the Command Prompt. First, open the Win + X menu.
  2. Select Command Prompt (Admin) to open the Prompt’s window.
  3. Next, input ‘wmic nicconfig get caption,index,TcpipNetbiosOptions’ in the Prompt, as shown below, and press the Return key. That shows users a list of their network adapter index windows 10 how to disable netbios
  4. Note the index number of the adapter you need to disable NetBIOS for and include that in the wmic nicconfig where index command. For example, to disable the NetBIOS for the network adapter listed as three, users would enter the following command: wmic nicconfig where index=3 call SetTcpipNetbios 2.The turn off NetBIOS command windows 10 how to disable netbios
  5. In the above command, three is the index number for the adapter and two disables NetBIOS over TCP/IP. Press the Enter key after entering the command to disable NetBIOS.

3. Edit the Registry

  1. Users can also disable NetBIOS for more specific network adapters by editing the registry. Open the Run accessory.
  2. Enter ‘regedit’ in Run and click OK, which will open the Registry Editor.
  3. Open this registry path in the Registry Editor:
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\Interfaces.The Interfaces key windows 10 how to disable netbios
  4. Select a Tcpip registry key for a network adapter.
  5. Double-click NetbiosOptions to open the window shown directly below.The Edit DWORD window windows 10 how to disable netbios
  6. Erase 0 and enter 2 in the Value data box.
  7. Press the OK button.

So, there’s more than one way to disable NetBIOS in Windows. Users can choose whichever method they prefer.


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