| You can update the database administrator passwords for Portal by changing the datasource, as noted in the Portal infocenters: |
This works fine as long as you don't run any Portal configuration tasks in the future. If you do run a configuration task that requires the database administrator password, however, the task will use the old value in the properties file instead of the new password, and the task will fail.
The recommended way to change database administrator passwords used by Portal, is to change them in the Portal properties file and run the connect-database task. This updates the datasources while maintaining current properties in the Portal configuration files: