- Open GPMC in your Domain Controller. Create a GPO or use an existing GPO linked to the OU which contains all users.
- Under User Configuration, expand Polices > Windows settings >Internet Explorer Maintenance >Security
- Double click Security Zones and Content Ratings, then chose Import the current security zones and privacy settings.
- Click Continue, then click Modify Settings.
- In the Internet Properties windows chose Security tab, then click Local intranet, click Sites to add sites you want.