I am experiencing a strange problem i have developed a website in asp.net 4.0, it works fine on all the browsers as i am handling sessions as well so user has to login to use th
There seems to be an issue with the new user agent string (most sites don’t recognize the new IE) and thus MVC doesn’t enable cookies by default
Force the use of cookies in the authentication token by adding the cookieless attribute in your forms authentication element as follows
<authentication mode="Forms">
<forms loginUrl="~/YourLoginUrl" timeout="2880" cookieless="UseCookies" />
</authentication>
Source: http://botsikas.blogspot.co.uk/2013/09/ie11-and-aspnet-session-cookies.html