Internet Explorer 8 EmulateIE7 Mode not working

Posted by Ryu on Stack Overflow See other posts from Stack Overflow or by Ryu
Published on 2009-06-11T13:53:35Z Indexed on 2010/04/25 12:33 UTC
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ie8

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internet-explorer

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iis

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iis6

I've set up IIS6 to send the following headers

Custom Header Name: X-UA-Compatible
Custom Header Value: IE=EmulateIE7

that supposed to force IE 8 into IE 7 Compatibility mode. You can read more about it on MSDN .

I have noticed by looking in the Developer toolbar that if I have a DTD defined the document mode correctly gets set to IE 7, but the browser mode is IE 8. If the page doesn't have a DTD the document mode gets set to Quirks and Browser Mode once again IE 8.

Am I doing something wrong. How do I force IE 8 to set IE 7 Browser mode.

Thanks

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