Adding site to Local Intranet sites zone via GPO

1. Open GPMC in your Domain Controller. Create a GPO or use an existing GPO linked to the OU which contains all users.

2. Under User Configuration, expand Polices > Windows settings >Internet Explorer Maintenance >Security

3. Double click Security Zones and Content Ratings, then chose Import the current security zones and privacy settings.

4. Click Continue, then click Modify Settings.

5. In the Internet Properties windows chose Security tab, then click Local intranet, click Sites to add sites you want.