title: Show full error messages when hosting MVC application on IIS 7.5
body: <p>I am deploying a MVC3 application on IIS 7.5.</p>
  
  <p>There are some errors which only occur on IIS 7.5, and I am attempting to debug them. However, whenever an error is triggered, the default error.cshtml is shown.</p>
  
  <ol>
  <li><p>Is it possible to show detailed error messages, similar to how errors are handled in Visual Studio 2010?</p></li>
  <li><p>How do I pass in exception details to error.cshtml when using the OnHandleError attribute?</p></li>
  </ol>