A new cloud instance was created. Everything was working except the Export Connector was not reflecting changes made to the document classes.
Ran the Configuration Utility on the Integration Server - all settings pointed to the correct cloud URL.
The Export Connector configuration file was still pointing to the old SIT URL.
In the Agility.Server.ExportConnector.exe.config file, change the CoreServicesLocation to the correct cloud URL resolved the issue.
Level of Complexity
Article # 3042775