Force “Internet Explorer 8” browser mode in intranet
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <meta http-equiv="X-UA-Compatible" content="IE=8" > <system.webServer><httpProtocol><customHeaders><clear/> <addname="X-UA-Compatible"value="IE=edge"/> </customHeaders> </httpProtocol> <system.webServer><httpProtocol><customHeaders> <clear/><addname="X-UA-Compatible"value="IE=8"/> </customHeaders></httpProtocol>