This policy setting controls the number of appointments that appear in the To-do bar. If you enable this policy setting, ...

This policy setting controls the number of appointments that appear in the To-do bar.

If you enable this policy setting, you can set the number of appointments that appear in the To-do bar on first run, from a minimum of 0 to a maximum of 9.

If you disable or do not configure this policy setting, there are approximately three appointments shown.