Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh interface ip delete wins ?
Usage: delete wins [name=][[addr=]|ALL ]
name - The name of the interface where WINS servers are deleted.
addr - One of the following values:: A specific IP address of a WINS server
you are deleting.
ALL: Deletes all configured IP addresses for WINS servers.
Remarks: Deletes statically configured WINS server IP addresses for a
delete wins "Local Area Connection" 10.0.0.1
delete wins "Local Area Connection" all