Use the Happy Eyeballs V3 algorithm for connection attempts
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Policy overview

Key metadata and intent for this policy.

Category
Microsoft Edge > Network settings
Supported on
Microsoft Edge version 137, Windows 7 or later

Supported OS tags: Windows7

Controls whether Microsoft Edge uses the Happy Eyeballs V3 algorithm to optimize connection attempts. This algorithm improves reliability and performance in dual-stack (IPv4/IPv6) networks by racing connection attempts across IP versions and HTTP protocols (e.g., HTTP/3 vs. others). For more details, see https://datatracker.ietf.org/doc/draft-pauly-happy-happyeyeballs-v3. Enabled: Uses the algorithm for connection attempts. Disabled or not configured: Disables the algorithm. Note: This policy supports dynamic refresh. Important: This policy is temporary and will be removed in a future version.

Internal name
HappyEyeballsV3Enabled
Policy ID
ca01c58f30db
Elements
0

Registry values

How enabled and disabled states update the registry.

ScopeRegistry locationTypeEnabled valueDisabled valueCopy
Path
Software\Policies\Microsoft\Edge
Value name
HappyEyeballsV3Enabled
REG_DWORD
HKLM
1
HKCU
1
HKLM
0
HKCU
0
Registry location
Type REG_DWORD · Both
Path
Software\Policies\Microsoft\Edge
Value name
HappyEyeballsV3Enabled
Hive
HKLM
Enabled value
1
Disabled value
0
Hive
HKCU
Enabled value
1
Disabled value
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.