Internet Explorer Processes
Supported on: At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
Registry
Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_MK_PROTOCOL Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_MK_PROTOCOL Description
The MK Protocol Security Restriction policy setting reduces attack surface area by preventing the MK protocol. Resources hosted on the MK protocol will fail. If you enable this policy setting, the MK Protocol is prevented for File Explorer and Internet Explorer, and resources hosted on the MK protocol will fail. If you disable this policy setting, applications can use the MK protocol API. Resources hosted on the MK protocol will work for the File Explorer and Internet Explorer processes. If you do not configure this policy setting, the MK Protocol is prevented for File Explorer and Internet Explorer, and resources hosted on the MK protocol will fail.