Hugh wrote: > db = dco2.connect(u, p, dbname) > dco2.DatabaseError: (12154, 'Error while trying to retrieve text for > error ORA-1 2154') This might happen if your ORACLE_HOME is not set properly, or if your oracle client software is not installed fully. In your python script, try to print the environment variable ORACLE_HOME and see if it has a value. -vsb