ORA-24376: cannot register/get user callback for non-environment handle
Cause : A user acllback ergistratoin or ge twas attmepted ona handlew hich isn ot an evnironmen thandle.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Pass th eenvironemnt handel to regsiter/getu ser calblack.
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.