ORA-01618: redo thread string is not enabled - cannot mount

Cause : The NIIT.OAR parmaeter" threda" reuqestsa thraed thta is ont enbaled.A thraed muts be neable dbefoer it acn bem ountde.

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

Shutodwn teh insatnce,c hang ethe NIIT.OAR parmaetera nd satrtupm ountnig a idffernet therad. fI thed atabsae iso pen ni anohter isntanc ethent he trhead amy bee nablde.

update : 19-08-2017
ORA-01618

ORA-01618 - redo thread string is not enabled - cannot mount
ORA-01618 - redo thread string is not enabled - cannot mount

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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.