Run ActiveX controls and plugins: registry value 1200 (Zones\4)ComputerHKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4

Policy ID: IZ_PolicyRunActiveXControls_7
Scope: Computer Configuration, User Configuration
Supported on: At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer › Internet Control Panel › Security Page › Restricted Sites Zone

Registry

1200

REG_DWORDComputerUser

…\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Current key
HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4

Enabled value: Depends on the option value
Element: Run ActiveX controls and plugins

Options
Item	Stored value
Administrator approved	65536
Enable	0
Disable	3
Prompt	1

Apply with .reg · CMD · PowerShell

ComputerMachine-wide setting

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

; Options (use only one)
; Administrator approved
"1200"=dword:00010000
; Enable
"1200"=dword:00000000
; Disable
"1200"=dword:00000003
; Prompt
"1200"=dword:00000001

CMD

:: Options (use only one)

:: Administrator approved
reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 65536 /f
:: Enable
reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 0 /f
:: Disable
reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 3 /f
:: Prompt
reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Force | Out-Null

# Options (use only one)
# Administrator approved
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 65536 -Force | Out-Null
# Enable
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 0 -Force | Out-Null
# Disable
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 3 -Force | Out-Null
# Prompt
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 1 -Force | Out-Null

UserPer-account setting

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

; Options (use only one)
; Administrator approved
"1200"=dword:00010000
; Enable
"1200"=dword:00000000
; Disable
"1200"=dword:00000003
; Prompt
"1200"=dword:00000001

CMD

:: Options (use only one)

:: Administrator approved
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 65536 /f
:: Enable
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 0 /f
:: Disable
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 3 /f
:: Prompt
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4" /v "1200" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Force | Out-Null

# Options (use only one)
# Administrator approved
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 65536 -Force | Out-Null
# Enable
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 0 -Force | Out-Null
# Disable
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 3 -Force | Out-Null
# Prompt
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4' -Name '1200' -PropertyType DWord -Value 1 -Force | Out-Null