title: AWS Certificate Manager "In use" status "No"
body: <p>I was <strong>imported</strong> SSL certificate using AWS Certificate manager and it will display <strong>In Use</strong> status as <strong>No</strong> and my Subdomain didn't work with <code>https</code>.</p>
  <p>Below image displayed the status as I described. What was the reason for that?</p>
  <p><a href="https://i.stack.imgur.com/bbrJ8.png" rel="noreferrer"><img src="https://i.stack.imgur.com/bbrJ8.png" alt="enter image description here" /></a></p>
  <p>Edit: I used Amazon EC2 with ubuntu box.</p>