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Tuesday, December 6, 2022

How to disable Loop back adapter from registering in DNS server–Windows Server 2012

Using Software Load balancers , Having the Loopback LAN IP assigned on many machines , Registering same IP from different machines. will cause DNS ip duplication


So best practice is to disable DNS registration on the unwanted LANs

LAN – Properties – IPV4 – Advanced



Make sure ipv6 address is not registering on DNS server as well .

To disable Ipv6 using powershell

New-ItemProperty -Path HKLM:\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters -Name DisabledComponents -PropertyType DWord -Value 0xffffffff

To Disable IPv6 address registering to DNS server

netsh int ipv6 6to4 set state disabled

Make sure none of the LANs are Using IPv6 , before running that command

Satheshwaran Manoharan
Satheshwaran Manoharanhttps://www.azure365pro.com
Specialized in Microsoft Azure - Office 365 / Microsoft Exchange; conducted numerous projects worldwide in designing, supporting, and implementing messaging and virtualization infrastructure for medium-sized and large enterprises. Further, I am a Cloud Architect and Technical Advisor for various start-ups.

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