Default Node Type for Microsoft Clients

Article ID: 160177 - View products that this article applies to.
This article was previously published under Q160177
Notice
This article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center
(http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fwin2000)
is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy
(http://support.microsoft.com/lifecycle/)
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SUMMARY

This document describes the default NetBIOS Node type for Windows if it is not specifically designated by a DHCP Server.
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MORE INFORMATION

Windows 2000 and Windows NT

NodeType
Key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Netbt\Parameters

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 to register and resolve names. A b-node system uses broadcasts. A p-node system 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-node system queries the name server first, then broadcasts. Resolution through LMHOSTS and/or Domain Name Service (DNS), if enabled, will follow these methods. If this key is present, it will override the DhcpNodeType key. If neither key is present, the system defaults to b-node if there are no WINS servers configured for the client. The system defaults to h-node if there is at least one WINS server configured.

Windows 95

NodeType
Key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP

Value type: DWORD
Valid range: 1, 2, 4, or 8
Default: 1 (b-node) if no value is specified or no WINS servers are configured on the network; 8 (h-node) if WINS servers are specified and NodeType is not otherwise defined in the Registry.
Description: This parameter specifies the mode of NetBIOS name resolution used 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 name server), and 8 = h-node (query name server, then broadcast). If DNS is enabled (which also enabled LMHOSTS in Windows 95), name resolution will also follow the mode defined by this parameter. This value can also be configured using DHCP.
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Properties

Article ID: 160177 - Last Review: February 27, 2007 - Revision: 3.4
APPLIES TO
  • 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
Keywords: 
kbinfo kbnetwork KB160177
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