ORA-25336: Cannot contact instance string during Streams AQ operation
Cause : The specified instance was not responding to AQ requests.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Set parameter aq_tm_processes to a non-zero value. If the problem persists, contact Oracle Support Services.
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.