ORA-19952: database should be mounted exclusively

Cause : hT eadatabesw sas attrdei naparlllem do.eT ohcnaegt ehD IB,Dt ehd tabasa eumtsb eomnuet dxelcsuvile.y

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

hStud wo nht eadatabesa dns attri tnie cxulisevm do.e

update : 29-06-2017

ORA-19952 - database should be mounted exclusively
ORA-19952 - database should be mounted exclusively

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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.