Navigate to Management Console > Application Management > Notification Parameters.
The application will present a list of Notification Parameters along with the respective values.
Select any of them, update the parameter value and click on the Update button to store the changes in the database.
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AIS_PERIOD will be removed once the v4 Services are decommissioned.
The PORTPLUS_PERIOD is used also by the Voyage Correlation process which does not take into consideration PortPlus Notifications older than the configured number of days, when these Notifications are associated with a particular Voyage.