Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: At least Internet Explorer 8.0
Path in the GPO console
Computer Configuration\Administrative Templates\Windows Components\Internet Explorer\Security Features\Add-on Management User Configuration\Administrative Templates\Windows Components\Internet Explorer\Security Features\Add-on Management Description
This policy setting allows you to manage a list of domains on which Internet Explorer will stop blocking outdated ActiveX controls. Outdated ActiveX controls are never blocked in the Intranet Zone. If you enable this policy setting, you can enter a custom list of domains for which outdated ActiveX controls won't be blocked in Internet Explorer. Each domain entry must be formatted like one of the following: 1. "domain.name.TLD". For example, if you want to include *.contoso.com/*, use "contoso.com" 2. "hostname". For example, if you want to include http://example, use "example" 3. "file:///path/filename.htm". For example, use "file:///C:/Users/contoso/Desktop/index.htm" If you disable or don't configure this policy setting, the list is deleted and Internet Explorer continues to block specific outdated ActiveX controls on all domains in the Internet Zone. For more information, see "Outdated ActiveX Controls" in the Internet Explorer TechNet library.
Registry
HKLM
Software\Microsoft\Windows\CurrentVersion\Policies\Ext HKCU
Software\Microsoft\Windows\CurrentVersion\Policies\Ext Value name: ListBox_DomainAllowlist
Enabled: ListBox_DomainAllowlist = 1
Disabled: ListBox_DomainAllowlist = 0
MDM / Intune (CSP)
Device
./Device/Vendor/MSFT/Policy/Config/InternetExplorer/DoNotBlockOutdatedActiveXControlsOnSpecificDomains User
./User/Vendor/MSFT/Policy/Config/InternetExplorer/DoNotBlockOutdatedActiveXControlsOnSpecificDomains Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
Export Builder
BETAConfigure 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. ⓘ
Applying both scopes creates an ambiguous configuration (computer takes precedence over user). Only do this intentionally.
.reg file
Windows Registry Editor Version 5.00
; Exported from gporais.com
; Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
; State: Enabled
; Scope: Computer (HKLM)
; Supported on: At least Internet Explorer 8.0
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Ext]
"ListBox_DomainAllowlist"=dword:00000001
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Ext\Domain]
; List values: enter one value per line in the builder UI.More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 8.0
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'ListBox_DomainAllowlist' -Value 1 -Type DWord
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext\Domain'
New-Item -Path $path -Force | Out-Null
# List values: enter one value per line in the builder UI.Intune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/InternetExplorer/DoNotBlockOutdatedActiveXControlsOnSpecificDomains
Data type: String
Value:
<enabled/>
<!-- DomainList: enter one value per line before copying this XML payload. -->Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 8.0
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
# HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext\Domain: List values: enter one value per line in the builder UI.
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext' -Name 'ListBox_DomainAllowlist' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 8.0
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'ListBox_DomainAllowlist' -Value 1 -Type DWord
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext\Domain'
New-Item -Path $path -Force | Out-Null
# List values: enter one value per line in the builder UI.SCCM scripts
# Exported from gporais.com
# Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 8.0
# SCCM Configuration Item guidance:
# Create a Configuration Item of type "Setting: Script".
# Discovery script: use the Detection script below.
# Remediation script: use the Remediation script below.
# Compliance rule: the Discovery script output equals 'Compliant'.
# === Detection script ===
# Exported from gporais.com
# Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 8.0
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
# HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext\Domain: List values: enter one value per line in the builder UI.
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext' -Name 'ListBox_DomainAllowlist' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Turn off blocking of outdated ActiveX controls for Internet Explorer on specific domains
# State: Enabled
# Scope: Computer (HKLM)
# Supported on: At least Internet Explorer 8.0
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'ListBox_DomainAllowlist' -Value 1 -Type DWord
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Ext\Domain'
New-Item -Path $path -Force | Out-Null
# List values: enter one value per line in the builder UI.Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.