All queued messages were processed, and normal service levels
resumed.

The cause was identified as an expired certificate used with the
mobile data device endpoint. The expired certificate was replaced with a renewed one, and the mobile data endpoint services were restarted. Device messages began queuing for processing.

The Out-of-Hours Platform team began their investigation.

Customer Support escalated the issue to the Out-of-Hours
Platform team.

Customers notified the Customer Support team of the issue.

Details of this incident have been added after the incident occured.

Mobile device data stopped being received.