Establish ActiveX installation policy for sites in Trusted zones: registry value InstallTrustedOCX and 6 moreComputerHKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies

Policy ID: AxISURLZonePolicies
Scope: Computer Configuration
Supported on: At least Windows Vista
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › ActiveX Installer Service

Registry

InstallTrustedOCX

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Enabled value: Depends on the option value
Element: Installation Policy for ActiveX control signed by trusted publisher

Options
Item	Stored value
Don't install	0
Prompt the user	1
Silently install	2

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Don't install
"InstallTrustedOCX"=dword:00000000
; Prompt the user
"InstallTrustedOCX"=dword:00000001
; Silently install
"InstallTrustedOCX"=dword:00000002

CMD

:: Options (use only one)

:: Don't install
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallTrustedOCX" /t REG_DWORD /d 0 /f
:: Prompt the user
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallTrustedOCX" /t REG_DWORD /d 1 /f
:: Silently install
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallTrustedOCX" /t REG_DWORD /d 2 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Don't install
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallTrustedOCX' -PropertyType DWord -Value 0 -Force | Out-Null
# Prompt the user
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallTrustedOCX' -PropertyType DWord -Value 1 -Force | Out-Null
# Silently install
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallTrustedOCX' -PropertyType DWord -Value 2 -Force | Out-Null

InstallSignedOCX

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Enabled value: Depends on the option value
Element: Installation Policy for signed ActiveX control

Options
Item	Stored value
Don't install	0
Prompt the user	1
Silently install	2

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Don't install
"InstallSignedOCX"=dword:00000000
; Prompt the user
"InstallSignedOCX"=dword:00000001
; Silently install
"InstallSignedOCX"=dword:00000002

CMD

:: Options (use only one)

:: Don't install
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallSignedOCX" /t REG_DWORD /d 0 /f
:: Prompt the user
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallSignedOCX" /t REG_DWORD /d 1 /f
:: Silently install
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallSignedOCX" /t REG_DWORD /d 2 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Don't install
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallSignedOCX' -PropertyType DWord -Value 0 -Force | Out-Null
# Prompt the user
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallSignedOCX' -PropertyType DWord -Value 1 -Force | Out-Null
# Silently install
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallSignedOCX' -PropertyType DWord -Value 2 -Force | Out-Null

InstallUnSignedOCX

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Enabled value: Depends on the option value
Element: Installation Policy for unsigned ActiveX control

Options
Item	Stored value
Don't install	0
Prompt the user	1

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Don't install
"InstallUnSignedOCX"=dword:00000000
; Prompt the user
"InstallUnSignedOCX"=dword:00000001

CMD

:: Options (use only one)

:: Don't install
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallUnSignedOCX" /t REG_DWORD /d 0 /f
:: Prompt the user
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "InstallUnSignedOCX" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Don't install
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallUnSignedOCX' -PropertyType DWord -Value 0 -Force | Out-Null
# Prompt the user
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'InstallUnSignedOCX' -PropertyType DWord -Value 1 -Force | Out-Null

IgnoreUnknownCA

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Checked: 1
Unchecked: 0
Element: Unknown certifcation authority (CA)
Value type: REG_DWORD
Required: false

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Checked
"IgnoreUnknownCA"=dword:00000001
; Unchecked
"IgnoreUnknownCA"=dword:00000000

CMD

:: Options (use only one)

:: Checked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreUnknownCA" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreUnknownCA" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreUnknownCA' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreUnknownCA' -PropertyType DWord -Value 0 -Force | Out-Null

IgnoreInvalidCN

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Checked: 1
Unchecked: 0
Element: Invalid certificate name (CN)
Value type: REG_DWORD
Required: false

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Checked
"IgnoreInvalidCN"=dword:00000001
; Unchecked
"IgnoreInvalidCN"=dword:00000000

CMD

:: Options (use only one)

:: Checked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreInvalidCN" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreInvalidCN" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreInvalidCN' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreInvalidCN' -PropertyType DWord -Value 0 -Force | Out-Null

IgnoreInvalidCertDate

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Checked: 1
Unchecked: 0
Element: Expired certificate validation date
Value type: REG_DWORD
Required: false

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Checked
"IgnoreInvalidCertDate"=dword:00000001
; Unchecked
"IgnoreInvalidCertDate"=dword:00000000

CMD

:: Options (use only one)

:: Checked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreInvalidCertDate" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreInvalidCertDate" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreInvalidCertDate' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreInvalidCertDate' -PropertyType DWord -Value 0 -Force | Out-Null

IgnoreWrongCertUsage

REG_DWORDComputer

HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies Current key

Checked: 1
Unchecked: 0
Element: Wrong certificate usage
Value type: REG_DWORD
Required: false

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies]

; Options (use only one)
; Checked
"IgnoreWrongCertUsage"=dword:00000001
; Unchecked
"IgnoreWrongCertUsage"=dword:00000000

CMD

:: Options (use only one)

:: Checked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreWrongCertUsage" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies" /v "IgnoreWrongCertUsage" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreWrongCertUsage' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\AxInstaller\AxISURLZonePolicies' -Name 'IgnoreWrongCertUsage' -PropertyType DWord -Value 0 -Force | Out-Null