title: VirtualBox import appliance error - oracle R12
body: <p>I am using virtualBox 5.1.0 and I am going to import the <code>oracle R12 ova</code> into the virtualBox. However, there appear a error that terminate the importing.</p>
  
  <p>Error massage:</p>
  
  <p><a href="https://i.stack.imgur.com/rUnce.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rUnce.png" alt="enter image description here"></a></p>
  
  <blockquote>
    <p>Callee RC: 
    RPC_S_SERVER_UNAVAILABLE 0x800706BA (0x800706BA)</p>
  </blockquote>
  
  <p>How can I fix this error and install the R12?</p>
  
  <p>Thanks you </p>