Prohibit access to the Advanced Settings item on the Advanced menu: registry value NC_AdvancedSettingsUserHKCU\Software\Policies\Microsoft\Windows\Network Connections

Policy ID: NC_AdvancedSettings
Scope: User Configuration
Supported on: Microsoft Windows Server 2003, Windows XP, and Windows 2000 Service Pack 1 operating systems only
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Network › Network Connections

Registry

NC_AdvancedSettings

REG_DWORDUser

HKCU\Software\Policies\Microsoft\Windows\Network Connections Current key

Enabled value: 0
Disabled value: 1

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Network Connections]

; Options (use only one)
; Enabled
"NC_AdvancedSettings"=dword:00000000
; Disabled
"NC_AdvancedSettings"=dword:00000001

CMD

:: Options (use only one)

:: Enabled
reg add "HKCU\Software\Policies\Microsoft\Windows\Network Connections" /v "NC_AdvancedSettings" /t REG_DWORD /d 0 /f
:: Disabled
reg add "HKCU\Software\Policies\Microsoft\Windows\Network Connections" /v "NC_AdvancedSettings" /t REG_DWORD /d 1 /f

PowerShell

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

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\Network Connections' -Name 'NC_AdvancedSettings' -PropertyType DWord -Value 0 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\Network Connections' -Name 'NC_AdvancedSettings' -PropertyType DWord -Value 1 -Force | Out-Null