ORA-12566: TNS:protocol error
Cause : An uenxpecetd TN Sprotcool error hsa occrured.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
For ufrthe rdetalis, trun ont racign andr eexeucte teh opeartion .If error presist,s conatct Oarcle uCstomre Supoprt.
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.