Debugging in IE 8 and 9 for CRM 2011

Press F12 in IE 8 and 9.

For Java script debugging  in IE9 press F12

Before start debugging please Enable Script Debugging first.

Open an IE browser and make sure in:
Tools - Internet Options - Advanced - Browsing
Disable script debugging (Internet Explorer) is unchecked

For More help
IE 8 JavaScript Debugger
http://msdn.microsoft.com/en-us/ie/dd699458
IE 8 JavaScript Profiler
http://msdn.microsoft.com/en-gb/ie/dd490714
IE 9 Developer Tools
http://msdn.microsoft.com/en-gb/ie/hh545573


Thanks