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How to Disable Internet Explorer Enhanced Security Configuration (IE ESC) in Windows Server 2012
Windows Server 2003 and 2008 come with Internet Explorer in Enhanced Security Configuration by default. This is essentially a locked-down version that provides additional security to your servers.
However, if you know what you're doing, you may want to disable IE's Enhanced Security Configuration to get rid of the annoying messages. In this post, I'll walk you through the steps to disable Enhanced Security for both Windows 2003 and Windows 2008.
In Windows Server 2003, you can disable Enhanced Security for IE by going to Start, Control Panel, and then Add or Remove Programs.