Approved Installation Sites for ActiveX Controls

This policy setting determines which ActiveX installation sites standard users in your organization can use to install ActiveX controls on their computers. When this setting is enabled, the administrator can create a list of approved Activex Install sites specified by host URL.

If you enable this setting, the administrator can create a list of approved ActiveX Install sites specified by host URL.

If you disable or do not configure this policy setting, ActiveX controls prompt the user for administrative credentials before installation.

Note: Wild card characters cannot be used when specifying the host URLs.

Supported on: At least Windows Vista
Registry PathSOFTWARE\Policies\Microsoft\Windows\AxInstaller
Value NameApprovedList
Enabled Value1
Disabled Value0

Host URLs

Registry PathSOFTWARE\Policies\Microsoft\Windows\AxInstaller\ApprovedActiveXInstallSites
Value Name{number}
Value TypeREG_SZ
Default Value

Contains policy for the host URL.

For example


Value: 2,1,0,0

The value for each Host URL is four settings in CSV format.

Which represents "TPSSignedControl,SignedControl,UnsignedControl,ServerCertificatePolicy

The three left most values in the policy control the installation of ActiveX controls based on their signature.

They can be one of the following.

0: ActiveX control will not be installed

1: Prompt the user to install ActiveX control

2: ActiveX control will be silently installed

Controls signed by certificates in trusted publisher store will be silently installed

Silent installation for unsigned controls is not supported

The right most value in the policy is a bitmasked flag

The flags are used for ignoring https certificate errors.

The default value is 0.

Which means that the https connections must pass all security checks

Use the combination of the following values

to ignore invalid certificate errors

0x00000100 Ignore Unknown CA

0x00001000 Ignore invalid CN

0x00002000 Ignore invalid certificate date

0x00000200 Ignore wrong certificate usage


Administrative Templates (Computers)

Administrative Templates (Users)