Update 11:50PM: Tableau engineers continue to work on the 10az issue. Background refreshes and subscription tasks on 10az will remain disabled until 9AM PT (5PM GMT) 11/22/16. The next update will be at 9AM PT (5PM GMT) 11/22/16.
Update 10:00PM: Scheduled refreshes remain disabled at this time. Engineers remain engaged. Next update, 2AM Pacific 11/22/16.
At this time scheduled data refreshes have been disabled, only for the Tableau Online 10AZ pod. Viewing, publishing, and other navigation should be unaffected.
While the background data refresh processes are disabled, new data will not be loaded.
Next update, 10:00pm Pacific tonight, 11/21/16.