As an administrator, you can reset the password of an IAM user if the user has forgotten the password and no email address or mobile number has been bound to the user.
To reset the login password of an IAM user, click Security Settings in the row containing the user, click 
next to Login Password in the Login Credentials area, and select a password type.
- You can reset the password of an IAM user on the Security Settings page.
- IAM users can change their passwords on the Basic Information tab.
- Set by user: A one-time login URL will be emailed to the user. The user can then click on the link to set a password.
- Automatically generated: A password will be automatically generated and then sent to the user by email.
- Set now: You set a new password and send the new password to the user.