Orders from the Scheduler are not posting to QuickBooks.
Orders that are not synced most likely have also not been paid, shipped, or both.
Open the Scheduler.
Select the appropriate store.
Click on the Orders tab.
Select the Settings link for Post to QuickBooks. If the Settings link is not available, deselect and then reselect Post to QuickBooks.
Select Don’t Care in settings.
Save & Close.