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Default Node Type for Microsoft Clients

This article was previously published under Q160177
This article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy.
This article has been archived. It is offered "as is" and will no longer be updated.
This document describes the default NetBIOS Node type for Windows if it is not specifically designated by a DHCP Server.

Windows 2000 and Windows NT


Value Type: REG_DWORD - Number
Valid Range: 1,2,4,8 (b-node, p-node, m-node, h-node)
Default: 1 or 8 based on the WINS server configuration
Description: This parameter determines what methods NetBT will use toregister and resolve names. A b-node system uses broadcasts. A p-nodesystem uses only point-to-point name queries to a name server (WINS). An m-node system broadcasts first, then queries the name server. An h-nodesystem queries the name server first, then broadcasts. Resolution throughLMHOSTS and/or Domain Name Service (DNS), if enabled, will follow thesemethods. If this key is present, it will override the DhcpNodeType key. Ifneither key is present, the system defaults to b-node if there are no WINSservers configured for the client. The system defaults to h-node if thereis at least one WINS server configured.

Windows 95


Value type: DWORD
Valid range: 1, 2, 4, or 8
Default: 1 (b-node) if no value is specified or no WINS servers areconfigured on the network; 8 (h-node) if WINS servers are specified andNodeType is not otherwise defined in the Registry.
Description: This parameter specifies the mode of NetBIOS name resolutionused by NetBIOS over TCP/IP. 1 = b-node (broadcasts), 2 = p-node (point-to-point name queries to a WINS server), 4 = m-node (broadcast then query nameserver), and 8 = h-node (query name server, then broadcast). If DNS isenabled (which also enabled LMHOSTS in Windows 95), name resolution willalso follow the mode defined by this parameter. This value can also beconfigured using DHCP.
tcp/ip tcpip

Article ID: 160177 - Last Review: 12/04/2015 15:51:07 - Revision: 3.4

Microsoft Windows 2000 Professional Edition, Microsoft Windows 2000 Datacenter Server, Microsoft Windows NT Workstation 3.5, Microsoft Windows NT Workstation 3.51, Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows 95

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