title: Set up ads in Windows Phone 8
body: <p>I found a few scattered responses to similar problems (mostly with Windows Phone 7) but wanted to post an answer that contained all requirements for Windows Phone 8 Ads.</p>
  
  <p>I've been having some issues setting an ad up in Windows Phone 8. Every time I ran the emulator I ran into an issue where the app would run but the ad would not show up. </p>
  
  <p>The app ran properly but I noticed in the output console that the following exception was logged:</p>
  
  <pre><code>An exception of type 'Microsoft.Advertising.Shared.AdException' occurred in Microsoft.Advertising.Mobile.DLL and wasn't handled before a managed/native boundary
  </code></pre>
  
  <p>Ads show up fine in one app I am developing but not another and the exception does not show any helpful information.</p>