> Control the number of announcements displayed on the user portal home (default to 3 announcements)
UPDATE KBSYS.SETTINGS SET VALUE='10' WHERE NAME='HD_ANNOUNCEMENTS_HOME_LIMIT';

> Control total number of announcements allowed in the system (setup) (defaults to 25)
INSERT INTO KBSYS.SETTINGS (NAME, VALUE) VALUES ('HD_ANNOUNCEMENT_TOTAL_LIMIT','100');

** Use "INSERT" or "UPDATE" depending on whether that row is already present or not.