Feb 12, 2026 · Describes how to disable NetBIOS over TCP/IP on the DHCP client by using DHCP server options.

Mar 20, 2025 · To completely disable NetBIOS for all network adapters, use the following PowerShell logon script: $regkey = "HKLM:SYSTEM\CurrentControlSet\services\NetBT\Parameters\Interfaces"

May 1, 2025 · Select Disable NetBIOS over TCP/IP. Click Apply and exit. You will not have to restart the computer unless the OS prompts.

Oct 13, 2021 · GUIDs with the NetbiosOptions value can be set to 0 (uses NetBIOS setting from the DHCP server) or 1 (enables NetBIOS over TCP/IP). To disable, set the option to 2.

Mar 14, 2025 · System administrators should disable NetBIOS over TCP/IP on all devices across the network. The NetBIOS service is disabled via network adapter settings and can be functionally …

Jul 4, 2025 · There are multiple ways to disable NetBIOS over TCP/IP, depending on your Windows version and preference. The main methods include: Below, each method is explained in detail. This …

Dec 31, 2024 · Due to security vulnerabilities with NetBIOS over TCP/IP, you may wish to disable it by following instructions. There are two ways to disable NetBIOS and this works on the majority of …

Feb 16, 2026 · Learn how to safely disable or scope TCP port 137 (NetBIOS) in Windows, with discovery, mitigation steps, and validation.

Oct 10, 2025 · We've been asked to disable NetBIOS for security reasons on our Windows 10/11 computers. To do this, I run: which sets NetbiosOptions to 2 for each available adapter, disabling …

Apr 13, 2025 · This article will show how to disable NetBIOS and LLMR Protocols using Group Policy Editor in Windows 11/10. Before you begin, please create a system restore point first.