title: SQLServerException: TCP/IP connection to the host has failed
body: <p>When I am running an Web application, I get an error message</p>
  
  <blockquote>
    <p>"The TCP/IP connection to the host,port 1433 has failed. Error:
    "connect timed out. Verify the connection properties, check that an
    instance of SQL Server is running on the host and accepting TCP/IP
    connections at the port, and that no firewall is blocking TCP
    connections to the port."</p>
    
    <p>The TCP/IP is active and enabled and the TCP port defaults to
    1433.,But I still get this error message.</p>
  </blockquote>
  
  <p>Could anyone help me on this?</p>