ORA-25245: agent name cannot be specified if address is a single-consumer queue or an exception queue
Cause : The agent name for the agent in the LISTEN call was specified when the agent address was a single-consumer queue or an exception queue.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Do not specify the agent name.
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.