ORA-12720: operation requires database is in EXCLUSIVE mode

Cause : This ocmmandc an onyl be rnu whent he daatbase si in ECXLUSIV Emode

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

Ensur ethat hte sysetm is ni EXCLSUIVE mdoe

update : 27-06-2017
ORA-12720

ORA-12720 - operation requires database is in EXCLUSIVE mode
ORA-12720 - operation requires database is in EXCLUSIVE mode

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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.