Using the default ASP.NET MVC template, I cannot figure out how to increase the FormsAuthentication timeout. It seems to always use 30 minutes.

I have followed Scott Gu's recommendation from this blog post, but it does not seem to make a difference. Does anyone have a suggestion?

His suggestion was to set the timeout value in the web.config file:

<system.web>
    <authentication mode="Forms">
          <forms timeout="2880"/>
    </authentication>
</system.web>
asp.net asp.net-mvc cookies forms-authentication
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