Policy

Turn off smart multi-homed name resolution

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryNetwork > DNS Client
Supported onAt least Windows Server 2012, Windows 8 or Windows RT

Supported OS tags: Windows10, Windows10RT, Windows11, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2012, WindowsServer2012R2, WindowsServer2016

Specifies that a multi-homed DNS client should optimize name resolution across networks. The setting improves performance by issuing parallel DNS, link local multicast name resolution (LLMNR) and NetBIOS over TCP/IP (NetBT) queries across all networks. In the event that multiple positive responses are received, the network binding order is used to determine which response to accept. If you enable this policy setting, the DNS client will not perform any optimizations. DNS queries will be issued across all networks first. LLMNR queries will be issued if the DNS queries fail, followed by NetBT queries if LLMNR queries fail. If you disable this policy setting, or if you do not configure this policy setting, name resolution will be optimized when issuing DNS, LLMNR and NetBT queries.

Internal name
DNS_SmartMultiHomedNameResolution
Policy ID
417ac00f9988
Elements
0

Registry values

How enabled and disabled states update the registry.

Registry locationTypeEnabled valueDisabled value
HKLM\Software\Policies\Microsoft\Windows NT\DNSClient\DisableSmartNameResolutionREG_DWORD
1
0

Policy elements

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This policy has no additional user input fields.

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