ORA-00129: listener address validation failed 'string'
Cause : An error was encountered while validating the listener address.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Resolve error or contact your ORACLE representative.
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.