Como configurar isso por odbc???

Galera tenho um script de helpdesk mas não consigo fazer rodar quando chamo o setup.asp da que os dados do bd não foram encontrados bom como faço para ele rodar por odbc?? Que nome coloco no dns? a pag esta abaixo<script LANGUAGE = "VBScript" RUNAT="Server">' Liberum Help Desk, Copyright © 2000 Doug Luxem' Liberum Help Desk comes with ABSOLUTELY NO WARRANTY' Please veiw the license.html file for the full GNU' General Public License' --------' SETTINGS.ASP'' Loads the appplication variables.' --------' SetAppVariables:' The procedure runs when the application is started or the file is changed' Primary ojbectives are to set variables/constants used throughout the' application.Sub SetAppVariables '======================================== ' Database Information ' Database Type ' 1 - SQL Server with SQL security (set SQLUser/SQLPass) ' 2 - SQL Server with integrated security ' 3 - Access Database (set AccessPath) ' 4 - DSN (An ODBC DataSource) (set DSN_Name) Application("DBType") = 3 '======================================== '============ SQL SETTINGS ============== Application("SQLServer") = "SQLSERVER" ' Server name (don't put the leading \\) Application("SQLDBase") = "HelpDesk" ' Database name Application("SQLUser") = "sa" ' Account to log into the SQL server with Application("SQLPass") = "sapass" ' Password for account ' ======================================= '=========== ACCESS SETTINGS ============ 'Physical path to database file Application("AccessPath") = "c:\web\noritmo\htdocs\helpdesk\db\helpdesk2000.mdb" '======================================== '============= DSN SETTINGS ============= Application("DSN_Name") = "HelpDeskDSN" '======================================== ' Enable Debugging: ' Set to true to view full MS errors and other debug information ' printed. (This will disable most On Error Resume Next statements.) Application("Debug") = FalseEnd Sub</SCRIPT>