All Processes

Internet Explorer may be configured to prevent active content obtained through restricted protocols from running in an unsafe manner. This policy setting controls whether restricting content obtained through restricted protocols is prevented or allowed.

If you enable this policy setting, restricting content obtained through restricted protocols is allowed for all processes other than File Explorer or Internet Explorer.

If you disable this policy setting, restricting content obtained through restricted protocols is prevented for all processes other than File Explorer or Internet Explorer.

If you do not configure this policy setting, no policy is enforced for processes other than File Explorer and Internet Explorer.

Supported on: At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_PROTOCOL_LOCKDOWN
Value Name*
Value TypeREG_SZ
Enabled Value1
Disabled Value0

inetres.admx

Administrative Templates (Computers)

Administrative Templates (Users)