ORA-25508: database is not mounted

Cause : Database must be mounted to perform ALTER SYSTEM UNQUIESCE command.

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

Mount the database and retry this command.

update : 18-08-2017
ORA-25508

ORA-25508 - database is not mounted
ORA-25508 - database is not mounted

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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.