ORA-16247: DDL skipped on internal schema
Cause : Logical Standby ignores DDLs on internal schemas such as SYS and SYSTEM. For a complete list of internal schemas ignored by Logical Standby perform the following query: SELECT owner FROM dba_logstdby_skip WHERE statement_opt = 'INTERNAL SCHEMA'.
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.