RSA uses scripts provided by AA in our logon pages to facilitate the collection of device print and other information. These scripts require JSON objects to be supported by the browser and with IE, JSON object support starts from IE 8 onward. It is understood that Compatibility View will render web pages as if viewed in IE7 and this is the reason for the issue seen in compatibility mode.
If the Customer needs the compatibility mode only to have their internal applications fixed, they can work around the issue by adding the following meta tag in ct_passcode.aspx/asp.
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
this tag tells IE to run the page in the highest mode available to that version of IE.