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How to Enable WINS Proxy Agent in Windows NT 4.0

This article was previously published under Q164765
In Windows NT 3.5x, the Window Internet Name Service (WINS) Proxy Agent canbe enabled through the TCP/IP properties in the Network Control Panel. InWindows NT 4.0, the WINS Proxy Agent cannot be enabled in the NetworkControl Panel, but can be enabled by changing a registry setting.
A network administrator can designate one or two WINS-enabled computer foreach subnet to be WINS Proxy Agents in a local subnet if a WINS server isnot available on the local subnet. The Proxy Agent helps resolve namequeries for non-WINS enabled computers (b-node) in routed TCP/IP intranets.

Non-WINS enabled computers use IP broadcasts for name queries. The ProxyAgent listens on the local subnet for IP broadcast name queries andresolves the name queries by either using the local cached name-to-IP-address mappings or, if the name is not found in the cache, by forwardingthe query to a WINS server and returning the replies to the client. TheWINS Proxy Agent can query a WINS server across a router. Because the WINSserver does not respond to broadcasts, a computer configured as a WINSProxy Agent should be installed on a subnet that contains computers thatuse broadcasts for name resolution.

For more information, see the following article in the Microsoft Knowledgebase:
ARTICLE-ID: 121004
TITLE : WINS Proxy Agent Functionality
For additional information on WINS and the WINS proxy functionality, pleasesee the following white paper available on the Microsoft anonymous ftpserver:
File Name: Tcpipimp2.doc
Location :
In Windows NT 3.51, to configure a computer as a WINS Proxy Agent, checkthe "Enable WINS Proxy Agent" box in the Advanced properties of the TCP/IPprotocol in the Network Control Panel.

WARNING: Using Registry Editor incorrectly can cause serious, system-wideproblems that may require you to reinstall Windows NT to correct them.Microsoft cannot guarantee that any problems resulting from the use ofRegistry Editor can be solved. Use this tool at your own risk.

In Windows NT 4.0, you must manually change the following registryparameter to 1 to enable the WINS Proxy Agent:

   Value Name: EnableProxy   Value Type: REG_DWORD   Values: Boolean (0 or 1)   Default: 0				

Restart the computer after changing this registry setting, and the WINSProxy Agent will be enabled.

Article ID: 164765 - Last Review: 11/01/2006 05:00:41 - Revision: 1.1

  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition
  • kbhowto kbnetwork kbui KB164765