Disabling Netmeeting

In Active Directory Users and Computers, right-click the top-level domain object, and then click Properties.
Click the Group Policy tab.
Click the Default Domain Policy, and then click Edit to open the Group Policy window.
Under User Configuration, expand Administrative Templates, expand Windows Components, and then expand NetMeeting.
In the NetMeeting container, you can disable any NetMeeting functionality that you want. After you modify these settings, all users and groups that have this policy applied to them will adhere to these specific settings.