title: Failed to generate user instance in SQL Server 2012
body: <p>I am using <code>.mdf</code> file for connectivity, when I select it it generates error:</p>
  
  <blockquote>
    <p>Failed to generate user instance in SQL Server due to failure in starting the process for the user instance</p>
  </blockquote>
  
  <p>I have attached image to make it clear to you. </p>
  
  <p><a href="http://i.stack.imgur.com/B1ae2.png" rel="nofollow">http://i.stack.imgur.com/B1ae2.png</a> </p>
  
  <p>Can anyone answer my question.</p>
  
  <p>Thank you!!</p>