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
...
Root CA
The ClearBlade IoT Core environments leverage DigiCert root certificates for SSL / TLS termination. The current Root root CA from DigiCert can be downloaded here.
Replacement SDKS
ClearBlade is providing SDKs for drop-in replacement.