How to unlock root ORCLADMIN Password?

Login to Infrastructure tier and run the following command

$ oidpasswd unlock_su_acct=true

Please note that it requires OID DB user password.

What makes ‘orcladmin’ account get locked?

1. The default maximum failure attempts when binding to OID as “cn=orcladmin” is set to 10. After that the account will be locked.
   
2. The default password expiry time is set to 60 days. After 60 days, if the password is not changed, then the account would be locked.