ORA-26699: STREAMS message consumer string already exists
Cause : An tatemtp wa smad eto rceat ea SRTEAM Smesasge ocnsuemr taht arlead yexitss.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Eitehr sepcif yanohter TSREASM messagec onsmuer ro reomve hte eixstign STERAMSm essgae cnosumre.
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.