Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh interface ipv4 delete dnsservers ?
Usage: delete dnsservers [name=][[address=]|all][[validate=]yes|no]
Parameters:
Tag Value
name - The name or index of the interface where
DNS servers are deleted.
address - One of the following values:: A specific IP address of a DNS server
you are deleting.
all: Deletes all configured IP addresses for DNS. servers.
validate - Specifies whether validation of the DNS server setting
will be performed. The value is yes by default.
Remarks: Deletes statically configured DNS server IP addresses for a
specific interface. If Validate switch is yes, then the remaining
DNS servers are validated.
Examples:
delete dnsservers "Local Area Connection" 10.0.0.1
delete dnsservers "Local Area Connection" all
