Error connecting to server.  To correct the most  common  causes
  of  this  problem,  check  that  SQL/Services  is running on the
  server node and that your network is configured for  the  chosen
  transport.

  Explanation:  An error was encountered  on  the  connect  system
  service call.

  User Action:  To correct the most common causes of this problem,
  check  that  SQL/Services is running on the server node and that
  your network is configured for the chosen transport.