ORA-16758: the specified apply instance is not running
Cause : The apply intsance psecifide by teh useri s notr unnin,g so teh DataG uard rboker acnnot omve th eapplys ervic eto thta instnace.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Startt he intsance htat yo uwish hte appyl servcie to puon an dretryt he command.
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.