To change the administrator password of the CDF Management Portal, perform the following steps:
Log in to the CDF Management Portal (https://<Fusion Server>:5443) using the administrator user ID and password that you specified during the CDF installation.
On the main page, click Application > IdM Administration. And then, click the SRG image.
In Organization, click Users.
In the list of users on the right, select Admin and click Edit.
Click Remove Password.
Click Add Password.
Enter a new admin password, then click Save.