title: PHP Warning: ldap_bind(): Unable to bind to server: Can't contact LDAP server
body: <p>I've following problem with my php script:</p>
  
  <blockquote>
    <p>PHP Warning: ldap_bind(): Unable to bind to server: Can't contact LDAP server in ....</p>
  </blockquote>
  
  <p><code>ldap_connect()</code> says "Success" but <code>ldap_bind()</code> fails, how to fix that issue?</p>