Turn off smart multi-homed name resolution

Policy ID
DNS_SmartMultiHomedNameResolution
Scope
Computer Configuration
Supported on
At least Windows Server 2012, Windows 8 or Windows RT
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Network › DNS Client

Description

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.

Registry

ComputerHKEY_LOCAL_MACHINE
  • DisableSmartNameResolutionREG_DWORD

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