title: Adding serverRuntime tag in webconfig cause 500.19 error
body: <p>I have just downloaded asp.net project from TFS on my another laptop and couldn't get it to run. I have narrowed down the issue and it is something to do with my webconfig setting and setting is</p>
  <pre><code>&lt;serverRuntime uploadReadAheadSize=&quot;128000000&quot; /&gt;
  </code></pre>
  <p>If I comment this setting error goes away but I am just wondering why I have to comment this out when it is working on my other laptop for same project.</p>
  <p>Error I get upon adding the above mentioned tag is following
  <img src="https://i.stack.imgur.com/3ExOl.png" alt="enter image description here" />.</p>