Configure Group Policy slow link detection: registry value GroupPolicyMinTransferRate and 1 more (HKLM System)ComputerHKLM\Software\Policies\Microsoft\Windows\System

Policy ID: GPTransferRate_2
Scope: Computer Configuration
Supported on: At least Windows 2000
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › Group Policy

Registry

GroupPolicyMinTransferRate

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\System Current key

Enabled value: Depends on the option value
Element: Connection speed (Kbps):
Value type: REG_DWORD
Maximum value: 4294967200

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\System]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"GroupPolicyMinTransferRate"=dword:<enter value>

CMD

:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\Policies\Microsoft\Windows\System" /v "GroupPolicyMinTransferRate" /t REG_DWORD /d "<enter value>" /f

PowerShell

# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Name 'GroupPolicyMinTransferRate' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

SlowLinkDefaultFor3G

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\System Current key

Checked: 1
Unchecked: 0
Element: Always treat WWAN connections as a slow link
Value type: REG_DWORD

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\System]

; Options (use only one)
; Checked
"SlowLinkDefaultFor3G"=dword:00000001
; Unchecked
"SlowLinkDefaultFor3G"=dword:00000000

CMD

:: Options (use only one)

:: Checked
reg add "HKLM\Software\Policies\Microsoft\Windows\System" /v "SlowLinkDefaultFor3G" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\Software\Policies\Microsoft\Windows\System" /v "SlowLinkDefaultFor3G" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Name 'SlowLinkDefaultFor3G' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Name 'SlowLinkDefaultFor3G' -PropertyType DWord -Value 0 -Force | Out-Null