Click the Common Tasks tab, then Manage Channel and Containers from the submenu.
Select a portal and the DN where the portlet is deployed.
The navigation tree with available channels and portlets is displayed.
From the navigation tree on the left frame, select the portlet channel.
The preferences table and properties table is displayed on the right frame.
In the preferences table, click Edit Values link of a preference you want to modify.
In the preferences wizard, type the new value in the text field, and click OK.
When you are done with modifying preferences, click Save.
Click Close.