Windows Server 2008:
1. Open Server Manager.
2. On the Server Manager, under the Security Information, click on Configure IE ESC option.
3. A new window will be popped out; On/Off IE ESC setting for the Administrator account or User accounts, and click the OK button to save the changes.
Windows Server 2012:
1. Open Server Manager.
2. From Dashboard, click Local Server from the left pane.
3. On the right side of the screen, you can see the IE Enhanced Security Configuration option.
4. Click On the link to disable the setting.
5. A new window will be popped out. Click Off for the Administrator account or User accounts and click the OK button to save the changes.
6. From the top of the Server Manager, click on the Refresh button; the IE Enhanced Security Configuration option should show as Off.