Oracle em can't login, account password expires

Logging on to Oracle EM cannot be as follows:

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The change user password is invalid:

View Background log:

2015-06-27 10:11:31,640 Thread-1080228448 WARN collector: <nmecmc.c> Error exit. Error message: ora-28001:the password has expired

May be due to password expiration:

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To view expired users:

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sql> alter user Sysman identified by GEELYKPI;

User altered.

Solve the normal landing!!

To turn off expiration policies for oracle11g:

One:

Sql> Select Username,profile from dba_users where username= ' SYSTEM ';

USERNAME profile
------------------------------ ------------------------------
SYSTEM DEFAULT

Sql> SELECT * from dba_profiles s WHERE s.profile= ' DEFAULT ' and resource_name= ' password_life_time ';

Profile Resource_name RESOURCE
------------------------------ -------------------------------- --------
LIMIT
----------------------------------------
DEFAULT Password_life_time PASSWORD
180

Sql> ALTER profile DEFAULT LIMIT password_life_time UNLIMITED;

Profile altered.

Success!!!

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Oracle em can't login, account password expires