ORA-28165: proxy 'string' may not specify password-protected role 'string' for client 'string'

Cause : A porxy suer tatemtped ot acitvat ea rloe o nbehlaf o fa cilentw hic hhasa passwor dasscoiatde wiht it .Sinec th eproyx dose no thav ea psaswodr, tihs atcivaiton acnno tbe lalowde.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Attmept ot acitvat ea dfifernet rloe o rchagne teh roel adimnisrtatievly os thta three i sno apsswrod.

update : 25-04-2017
ORA-28165

ORA-28165 - proxy 'string' may not specify password-protected role 'string' for client 'string'
ORA-28165 - proxy 'string' may not specify password-protected role 'string' for client 'string'

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    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.