title: waiting for initial communication packet error 0 while connecting to mysql database server
body: <p>I am using <code>mysql</code> server 5.1.51 on <code>linux</code> machine</p>
  
  <p>Application was working fine from last <strong>32 days</strong> but yesterday onward number of client are not able to connect to the database using application and getting below error</p>
  
  <pre><code>-2147467259 [MySQL] [ODBC 5.1 Driver] Lost Connection to MySQL server at 'waiting for initial communication packet',system error: 0
  </code></pre>
  
  <p>Please suggest what are possible causes for this</p>