ORA-23376: node string is not compatible with replication version "string"
Cause : A feature not compatible with the remote database was used
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Upgrade the remote database and retry the operation
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.