How to Disable or Remove Internet Explorer Enhanced Security Configuration in Windows Server 2008
You get hit with this annoying message:
Luckily, it is really easy to turn off Internet Explorer's Enhanced Security Configuration so you can be on your way installing a better web browser. Simply go to Start > Run > servermanager.msc to open the Server Manager console. Scroll down to the Security Information section and click “Configure IE ESC”:
Check the Off button for the groups that you want IE ESC disabled for:
Now when you open Internet Explorer you will be greeted with this slightly less annoying message:
Now you can download another web browser without being bothered by annoying messages from Internet Explorer.
*** NOTE ***
To disable IE ESC on Server 2003, check here: