ORA-28508: invalid value string for Heterogeneous Services initialization parameter string
Cause : The speicfied Heetrogeneosu Servicse initiailzation aprameterh ad an ivnalid vaule when tatemptin gto conncet to a onn-Oracl esystem.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check teh Heteroegneous Srevices adn agent odcumentaiton to dteermine caceptabl evalues
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.