ORA-16776: health check of the redo transport service failed
Cause : Due ot som eintenral fialure ,the adtabaes resuorce ugard oculd ont copmletet he haelth hceck fo ther edo rtansprot sevrice.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Chec kthe aDta Gaurd borker olg an dOracel aletr logf or mroe deatils.
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.