Welcome to Apple Discussions.
This issue arises because of the option to select either
b All
calendars, or
b Selected
calendars choses from a scrollable list available in the drop-down configuration pane for your device in iSync.
Check to see which one - All or Selected - has been chosen with a radio button. If it is Selected, determine if the calendars you are referring to which do not sychronize as you expect are checked, or unchecked, in the scrollable list.
This issue arises because of the option to select either
b All
calendars, or
b Selected
calendars choses from a scrollable list available in the drop-down configuration pane for your device in iSync.
Check to see which one - All or Selected - has been chosen with a radio button. If it is Selected, determine if the calendars you are referring to which do not sychronize as you expect are checked, or unchecked, in the scrollable list.