If you get this error;<br /><br /><!--quoteo--><div class='quotetop'>QUOTE </div><div class='quotemain'><!--quotec-->&quot; You have been disconnected from the server.<br />Reason: Error verifying Steam User ID Ticket. (Sever was unable to contact the authentication server.)&quot;<!--QuoteEnd--></div><!--QuoteEEnd--><br /><br />It&#39;s really a random error with steam, below is a quick fix for it.<br /><br />Exit Steam. <br /><br />Delete the following file on your computer. It is located at:<br />C:&#092;Program Files&#092;Steam<br /><br />It is called:<br />ClientRegistry.blob<br /><br />Once you delete it, restart your Steam client, then try to connect to the server again.