I had a paper that is similar to your situation (at http://www.niall.litchfield.dial.pipex.com/WhitePapers/SettingUpGenericConnectivity.pdf) though both servers were win32. Answers also embedded > > 1. Do I need to install/run an Oracle listener on the MSSQL box? No. 2. Do I need to get a 3rd party ODBC driver for my Oracle/Linux server? > If so, any vendor/freeware/shareware recommendations are appreciated. > I've been poking around the DataDirect.com site so far. You'll indeed need an odbc driver for the linux box. - I believe datadirect are pretty good. 3. I see many references to the hsodbc "program". Is this really a > program/executable or just the way to tell the listener to use the HS > that are configured in the Oracle database? it's really a program. 4. Last, any pointers/links to docs are appreciated. > -- Niall Litchfield Oracle DBA http://www.orawin.info