ORA-19854: error obtaining connect string from target
Cause : Could not obtain the connect string from the target database
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check the accompanying errors.
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.