Como resolver ORA-28000 a conta está bloqueada

alter user <username> account lock;
select status from dba_users where username='&1';

select username , profile from dba_users where username='&1';
-----  ------
SCOTT TECH_PW

select * from dba_profiles
where profile='&1' and resource_name='FAILED_LOGIN_ATTEMPTS';

SQL> select RESOURCE_NAME,resource_type,LIMIT from dba_profiles where PROFILE='TECH_PW' ;
RESOURCE_NAME RESOURCE LIMIT
-----------    -------  -----
COMPOSITE_LIMIT KERNEL DEFAULT
SESSIONS_PER_USER KERNEL DEFAULT
CPU_PER_SESSION KERNEL DEFAULT
CPU_PER_CALL KERNEL DEFAULT
LOGICAL_READS_PER_SESSION KERNEL DEFAULT
LOGICAL_READS_PER_CALL KERNEL DEFAULT
IDLE_TIME KERNEL DEFAULT
CONNECT_TIME KERNEL DEFAULT
PRIVATE_SGA KERNEL DEFAULT
FAILED_LOGIN_ATTEMPTS PASSWORD 5
PASSWORD_LIFE_TIME PASSWORD 90
PASSWORD_REUSE_TIME PASSWORD UNLIMITED
PASSWORD_REUSE_MAX PASSWORD 10
PASSWORD_VERIFY_FUNCTION PASSWORD DEFAULT
PASSWORD_LOCK_TIME PASSWORD DEFAULT
PASSWORD_GRACE_TIME PASSWORD DEFAULT

Default values can be found by querying the default profile
SQL> select RESOURCE_NAME,resource_type,LIMIT from dba_profiles where PROFILE='DEFAULT';
RESOURCE_NAME RESOURCE LIMIT
-------------  -------   ------
COMPOSITE_LIMIT KERNEL UNLIMITED
SESSIONS_PER_USER KERNEL UNLIMITED
CPU_PER_SESSION KERNEL UNLIMITED
CPU_PER_CALL KERNEL UNLIMITED
LOGICAL_READS_PER_SESSION KERNEL UNLIMITED
LOGICAL_READS_PER_CALL KERNEL UNLIMITED
IDLE_TIME KERNEL UNLIMITED
CONNECT_TIME KERNEL UNLIMITED
PRIVATE_SGA KERNEL UNLIMITED
FAILED_LOGIN_ATTEMPTS PASSWORD UNLIMITED
PASSWORD_LIFE_TIME PASSWORD UNLIMITED
PASSWORD_REUSE_TIME PASSWORD UNLIMITED
PASSWORD_REUSE_MAX PASSWORD UNLIMITED
PASSWORD_VERIFY_FUNCTION PASSWORD NULL
PASSWORD_LOCK_TIME PASSWORD UNLIMITED
PASSWORD_GRACE_TIME PASSWORD UNLIMITED

audit session whenever not successful;

select OS_USERNAME,USERNAME,USERHOST,to_char(timestamp,'MM-DD-YYYY HH24:MI:SS'), returncode
from dba_audit_trail
where returncode > 0

alter user <username> account unlock;

SQL> CREATE PROFILE TECH_TMP LIMIT
FAILED_LOGIN_ATTEMPTS UNLIMITED
;

alter user scott profile TECH_TMP;
alter user scott account unlock;

alter user scott profile TECH_PW;
drop profile TECH_TMP;