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Turn off .NET Framework Setup

Verified with Windows 11 25H2 — updated on July 23, 2026

Windows 11 25H2

Supported on: At least Internet Explorer 7.0

Path in the GPO console

Computer Configuration\Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Local Machine Zone

Description

This policy setting prevents the user's computer from starting Microsoft .NET Framework Setup when the user is browsing to .NET Framework content in Internet Explorer. The .NET Framework is the next-generation platform for Windows. It uses the common language runtime and incorporates support from multiple developer tools. It includes the new managed code APIs for Windows. If you enable this policy setting, .NET Framework Setup is turned off. The user cannot change this behavior. If you disable this policy setting, .NET Framework Setup is turned on. The user cannot change this behavior. If you do not configure this policy setting, .NET Framework Setup is turned on by default. The user can change this behavior.

Registry

HKLM Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
HKCU Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0

More options available

Options

.NET Framework Setup
2600 enum
  • Enable -> 3 (default)
  • Disable -> 0

Export Builder

BETA

Configure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.

These exports write the registry — this is not a managed GPO.

Scope

.reg file

Windows Registry Editor Version 5.00

; Exported from gporais.com
; Policy: Turn off .NET Framework Setup
; State: Enabled
; Scope: Computer (HKLM)
; Supported on: At least Internet Explorer 7.0

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]
"2600"=dword:00000003
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Turn off .NET Framework Setup
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 7.0

$path = 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name '2600' -Value 3 -Type DWord

Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.

Open the Builder

Embed this policy on your site

What to embed
Theme

Adds one script line: the theme follows your site’s appearance and the height fits the content. If your site blocks scripts, the embed follows the visitor’s system theme.

Preview