ORA-01017 Invalid Username/Password when connecting to 11g database from 9i client

Question

I\'m trying to connect to a schema on 11g (v11.2.0.1.0) from a PC with 9i (v9.2.0.1) client. It seems to connect fine to some schemas, but not this one - it comes back with

Answer 1

The user and password are DEFINITELY incorrect. Oracle 11g credentials are case sensitive.

Try ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE; and alter password.

http://oracle-base.com/articles/11g/case-sensitive-passwords-11gr1.php