OpenVPN / OpenVPN/openvpn

Implement DISABLE-NBT for DHCP-less drivers

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#349 5 comments 0 reactions 1 assignee View on GitHub

@lstipakov is already working on this.

Since Dec 17, 2025.

dco-win feature Windows
Dominant language
C
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Description

At the moment DISABLE-NBT implementation requires DHCP, which dco-win doesn't do. However, this could be done via registry:

Key:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\Interfaces\Tcpip_{929597e1-a3f6-4090-a663-be4224677fc2}

{929597e1-a3f6-4090-a663-be4224677fc2} is a NetCfgInstanceId, which client knows.

Value:
NetbiosOptions REG_DWORD 0x2

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