title: OCI error using UniDAC for Delphi
body: <p>When trying to set up a connexion to an Oracle DB using Delphi XE2, Oracle 11 and UniDAC driver, I get an error : </p>
  
  <pre><code>Can't initialize OCI : Error -1
  </code></pre>
  
  <p>I can connect to the server using ODBC.</p>
  
  <p>I'm not using direct connect
     mode. </p>
  
  <p>If I try using direct connect mode, I get another error</p>
  
  <pre><code>Unknown host [server name] Socket error code : 11004($2AFC)
  </code></pre>
  
  <p>I'm not
     using TOAD and I don't have any hand on the server itself.</p>