User Configuration\Administrative Templates\Windows Components\Internet Explorer\Administrator Approved Controls\Internet Explorer
Designates the Media Player ActiveX control as administrator approved.
This control is used for playing sounds, videos, and other media.
If you enable this policy, this control can be run in security zones in which you specify that administrator-approved controls can be run.
If you disable this policy or do not configure it, this control will not be designated as administrator approved.
To specify how administrator-approved controls are handled for each security zone, carry out the following steps: