When running ECDA Option for Oracle, do not set the ORA_NLS33 environment variable, which is used by Oracle client programs to find localization files.
If the variable has been set and points to an invalid directory, users may receive this error message when connecting to ECDA Option for Oracle:
Msg 12705, Level 16, State 0: Server 'DCRMFDCP_TEST': ORA-12705: invalid or unknown NLS parameter value specified CT-LIBRARY error: ct_connect(): protocol specific layer: external error: The attempt to connect to the server failed.