The Desktop sync issue is now resolved. Please ensure your sync engine is closed (not open in task manager), reopen it, and the sync should be fine.
Our QuickBooks sync engine is core to our product offering and core to your use of Method. We know you expect high availability of the sync engine, so we sincerely apologize for the disruption of this service and thank you for the patience you showed.
This week was the first new production deployment of Method's QuickBooks Desktop sync engine since we moved our environment to Amazon Web Services. While all our tests passed, differences between configurations in the test environment from the production environments led to a failed deployment and rollback. This deployment affected QuickBooks Desktop sync and some customers who were customizing screens and modifying tables during the deployment. All issues have been resolved.
Having now understood the source of this issue, we are taking action to investigate all deployments on our new Amazon environment to prevent further disruptions of this nature.