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

I also got the same sql error message when connecting through odp.net via a Proxy User.

My error was that my user was created with quotation marks (e.g. "rockerolf") and I then also had to specify my user in the connectionstring as User Id=\"rockerolf\"..

In the end I ended up deleting the user with the quotation marks and create a new one without..

face palm