This policy setting allows you to manage whether users can pin sites to locations where pinning is allowed such as the taskbar the desktop or File Explorer.If you enable this policy setting users cannot pin sites.If you disable or do not configure this policy setting users can pin sites.
Policy path:
Windows Components\Internet Explorer
Scope:
Machine
Supported on:
At least Internet Explorer 9.0
Registry settings:
HKLM\Software\Policies\Microsoft\Internet Explorer\Main!DisableAddSiteMode
Filename:
inetres.admx