To create an ODBC DSN, please make your request via the Alentus Support Center. Submit a Ticket to the Technical Support Department, selecting ODBC DSN Request from the Change Request Type drop-down menu.

A better option is to use a DNS-less connection. Further information may be found in the related article http://support.alentus.com/KB/a612/how-do-i-create-an-odbc-data-source-name-dsn-use-with.aspx?KBSearchID=145
or at the Database Connection String Generator in the Related Links