Some websites may not behave as expected in Internet Explorer 9.This kind of problem does not occur in earlier versions of IE.
For example, you may experience any of the following symptoms in IE 9 :
- · Text are in wrong positions ,
- · Some website features does not work,
- · You receive script error messages on some website
To enable Compatibility include the following custom HTTP header for all requests to your site or directory.
X-UA-Compatible: IE=EmulateIE8
To do this in Internet Information Services (IIS) on a Windows server-based Web server, you must either add a custom HTTP response header in IIS or configure the Web.config file for the appropriate directory.
Add the custom HTTP response header in IIS
To add a custom HTTP response header at the website level,at the virtual directory level in IIS, follow the steps for the version of IIS that you are using.
IIS 7 on a Windows Server 2008-based Web server- Start IIS Manager. To do this, click Start, click Run, type inetmgr, and then click OK.
- Under Connections, double-click the server that you want, and then double-click Sites.
- Click the website, the folder, or the virtual directory where you want to add the custom HTTP response header.
- Under <website name> Home, double-click HTTP Response Headers in the IIS section.
Note The <website name> placeholder refers to the name of the website.
- Under Actions, click Add.
- In the Name box, type X-UA-Compatible.
- In the Value box, type IE=EmulateIE8.
- Click OK.
