While all information is copied during a migration to make authentication and data flow unchanged, it is necessary to retarget each device and gateway to the new ClearBlade IoT Core offering. Information regarding that change is here.
Production URLs
MQTT (regional)
us-central1-mqtt.clearblade.com
...
ports available 8883 and 443
HTTP (regional: for device calls)
https://us-central1.clearblade.com
...
https://asia-east1.clearblade.com
port 443
HTTP (global: for list registry calls)
...