How to Disable Enhanced Security in Internet Explorer on Windows Server
Step 1: Start Server Manager.
Step 2: Click on "Local Server" in the left menu.
Step 3: Locate the "IE Enhanced Security Configuration" parameter on the right side and click "On" next to it.
Step 4: In the window that appears, disable the option for administrators and users, then click "OK".
Server Manager will display "Off" for IE Enhanced Security Configuration.