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Description:  

Determines whether users can use the New Connection Wizard, which creates new network connections.

If you enable this setting (and enable the "Enable Network Connections settings for Administrators" setting),
the Make New Connection icon does not appear in the Start Menu on in the Network Connections folder. As a
result, users (including administrators) cannot start the New Connection Wizard.

Important: If the "Enable Network Connections settings for Administrators" is disabled or not configured, this
setting will not apply to administrators on post-Windows 2000 computers.

If you disable this setting or do not configure it, the Make New Connection icon appears in the Start menu
and in the Network Connections folder for all users. Clicking the Make New Connection icon starts the New
Connection Wizard.

Note: Changing this setting from Enabled to Not Configured does not restore the Make New Connection icon
until the user logs off or on. When other changes to this setting are applied, the icon does not appear or
disappear in the Network Connections folder until the folder is refreshed.

Note: This setting does not prevent users from using other programs, such as Internet Explorer, to bypass
this setting.

Supported on: Microsoft Windows Server 2003, Windows XP, and Windows 2000 Service Pack 1 operating
systems only.
Prohibit access to the New Connection
Wizard
Description Gpedit Regedit CMD Back VBScript PowerShell Script
Gpedit:   

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Type gpedit.msc and press Enter
In the Group Policy window please navigate to User Configuration -> Administrative Templates ->
Network -> Network Connections and open Prohibit access to the New Connection Wizard.
Not Configured -> is the Default state
Enabled -> apply this GPO
Disabled -> this GPO will not be applied

To finish press ok button and close Group Policy window.
Type regedit and press ok
Please confirm User Account Control pop-up
Microsoft official disclaimer

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by
using another method. These problems might require that you reinstall the operating system. Microsoft
cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Note: This registry key is created by Group Policy when this GPO is Enable. The GPO Default state is Not
Configured -> this registry entry is not present. For Disable this registry entry is not present.

Please navigate to HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Network Connections
and locate NC_NewConnectionWizard registry key
Regedit:          

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
   
   
Double click on NC_NewConnectionWizard and edit the value:

To Enable:
Change the data value with:
NC_NewConnectionWizard = 0

To Disable:
Change the data value with:
NC_NewConnectionWizard = 1

To finish press ok button and close Registry Editor window

Note: Manual editing of this registry key will not be reflected in Group Policy. If you modify this GPO from
Group Policy this registry key will be rewritten.
Type cmd, right click on cmd icon under the Programs and click on Run as administrator
Please confirm User Account Control pop-up
Please select, right and copy a registry key from below, then right click on command prompt window
, select Paste and press Enter

Enabled:
REG add "HKCU\Software\Policies\Microsoft\Windows\Network Connections" /v NC_NewConnectionWizard /t REG_DWORD /d 0 /f

Disabled:
REG add "HKCU\Software\Policies\Microsoft\Windows\Network Connections" /v NC_NewConnectionWizard /t REG_DWORD /d 1 /f

Not Configured:
REG DELETE "HKCU\Software\Policies\Microsoft\Windows\Network Connections" /v NC_NewConnectionWizard /f

Note: Manual editing of this registry key will not be reflected in Group Policy. If you modify this GPO from
Group Policy this registry key will be rewritten.
CMD:          

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
   
VBScript:          

Const HKEY_CURRENT_USER = &H80000001
strComputer = "."
Set oReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & _
strComputer & "\root\default:StdRegProv")

strKeyPath = "Software\Policies\Microsoft\Windows\Network Connections"
oReg.CreateKey HKEY_CURRENT_USER,strKeyPath
strValueName = "NC_NewConnectionWizard"
'Enabled
dwValue = 0
'Disabled
'dwValue = 1
oReg.SetDWORDValue HKEY_CURRENT_USER,strKeyPath,strValueName,dwValue
'Not Configured
'oReg.DeleteValue HKEY_CURRENT_USER,strKeyPath,strValueName
   
PowerShell Script :          

Enabled

$RegKey = "HKCU:\Software\Policies\Microsoft\Windows"
If(Test-Path ($RegKey + "\Network Connections"))
{
 $RegKey = "HKCU:\Software\Policies\Microsoft\Windows\Network Connections"
  ##Enabled
  New-ItemProperty -path $RegKey -name NC_NewConnectionWizard -value 0 -PropertyType DWord -Force
  ##Disabled
  ##New-ItemProperty -path $RegKey -name NC_NewConnectionWizard -value 1 -PropertyType DWord -Force
}
else
{
 New-Item -path $RegKey -name "Network Connections"
 $RegKey = "HKCU:\Software\Policies\Microsoft\Windows\Network Connections"
  ##Enabled
  New-ItemProperty -path $RegKey -name NC_NewConnectionWizard -value 0 -PropertyType DWord
  ##Disabled
  ##New-ItemProperty -path $RegKey -name NC_NewConnectionWizard -value 1 -PropertyType DWord
}

Not Configured\Disabled

$RegKey = "HKCU:\Software\Policies\Microsoft\Windows"
Remove-ItemProperty -Path($RegKey + "\Network Connections") -name NC_NewConnectionWizard
If( (Get-Item -Path($RegKey + "\Network Connections")).ValueCount -eq 0 -and (Get-Item -Path($RegKey + "\Network Connections")).SubKeyCount -eq 0)
{
 Remove-Item -Path($RegKey + "\Network Connections")  
}
   
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Result:

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Result