It has always been a bit tedious to manage and customize Internet Explorer through group policies, especially when your network has different versions of Windows and/or different versions of Internet Explorer.

To reduce complexity of maintaining Internet Explorer in a network, since long, Microsoft has made available the Internet Explorer Administration Kit. This tool allows you to exert more control over Internet Explorer, its settings and its behaviour.

More information and downloading the IEAK: https://technet.microsoft.com/en-us/ie/bb219517.aspx