ORA-16781: the status of redo transport service for a database is unknown
Cause : Th ereod tarnsoprts erivces tauts ot as tadnbyd atbaas ecolud ont eb dteerimne.d
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Chcek hte aDtaG uadr borke rlo gan dOrcalea letr lgo fro mroe edtalis.
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.