ORA-16204: DDL successfully applied
Cause : A DDL statement has successfully commited on the logical standby database.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
No action necessary, this informational statement is provided to record the event for diagnostic purposes.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.