ORA-16808: unable to resolve the full path name
Cause : An attempt to resolve the full path name from a string failed.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check the Data Guard broker log for the full error stack. This likely the result of an operating system error.
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.