excel - Connecting to Redshift SQL Server with VBA -

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i'm having trouble connecting redshift sql server (postgres) vba macro.

edit: here's error i'm getting:

-2147467259 microsoft ole db provider odbc drivers [microsoft][odbc driver manager] data source name not found , no default driver specified c:\progra~1\common~1\micros~1\vba\vba7.1\1033\vblr6.chm 1000440

also, commented out of code while trouble shooting. public conn1 adodb.connection public conn2 adodb.connection public function openconnection1() boolean

dim boolstate boolean dim servername string, databasename string, _ username string, password string on error goto errorhandler         if conn1 nothing                 set conn1 = new adodb.connection         end if         if conn1.state = adstateopen                 boolstate = true                 goto exithere         else         ' put text box values connection variables.         servername = "asdf"         databasename = "asdf"         ' specify ole db provider.         'conn1.provider = "sqloledb"         ' set sqloledb connection properties.         'conn1.properties("data source").value = servername         'conn1.properties("initial catalog").value = databasename         'conn1.properties("network library").value = "dbmssocn"         ' decision code login authorization type:         ' windows nt or sql server authentication.         conn1.properties("connect timeout").value = 3         ' open database.         conn1.properties("user id").value = "asdf"         conn1.properties("password").value = "asdf"         'conn1.properties("trusted_connection") = false         'conn1.properties("integrated security").value = "sspi"         conn1.open  exithere: if conn1.state = adstateopen         boolstate = true         else         boolstate = false end if end if  openconnection1 = boolstate  exit function errorhandler: openconnection1 = false msgbox "the application failed connect sql database." debug.print err.number, err.source, err.description, err.helpfile,        err.helpcontext resume exithere end function


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