Microsoft KB Archive/174395

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Event ID 4202 Attempting WINS Replication across Router

Article ID: 174395

Article Last Modified on 2/23/2007


  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q174395


When you have two Windows Internet Name Service (WINS) servers that are configured to replicate with each other across a router or firewall, you may receive the following error in the event log on one or both of the WINS Servers:

   Event ID: 4202
   Source: WINS
   Description: Attempt to connect to the remote WINS server with address
                a.b.c.d returned with an error. Check to see that the
                remote WINS server is running and available.

Where a.b.c.d is the IP address of the remote WINS Server.

Additionally, you have verified that the remote WINS server is running and operating correctly. You are able to communicate with the remote server and connect to its resources.


Your router or firewall is blocking TCP port 42 (Host Name Server).


Contact your router or firewall vendor for information on how to enable forwarding of TCP port 42.

Keywords: kberrmsg kbinfo kbnetwork KB174395