Thanks for the reply The 'freetds' is already installed. I will paste the details here: # cat /etc/odbc.ini [SERVER] Driver = FreeTDS Description = ODBC Connection using FreeTDS Trace = No Server = 192.168.1.79 Port = 1433 Database = Northwind # cat /etc/odbcinst.ini [FreeTDS] Description = TDS Driver Driver = /usr/lib/odbc/libtdsodbc.so Driver64 = Setup = /usr/lib/odbc/libtdsS.so Setup64 = UsageCount = 1 CPTimeout = CPReuse = # ls libtds* libtdsodbc.so libtdsS.so If I use 'Isql' command I am able to connect using the same dsn which I use to connect with our application # isql SERVER sa 1100zz +---------------------------------------+ | Connected! | | | | sql-statement | | help [tablename] | | quit | | | +---------------------------------------+ Thank you