Next week, our Authorization Server (https://authorization.cerner.com) will be migrated from Amazon Web Services to Oracle Cloud Infrastructure. The technical details below were provided by our operations team; please review with your own operations teams as appropriate to ensure that there are no impacts to your applications.
- Migration Date: December 15, 2025 @ 11:00 pm CST
- Notes:
- The new IP address of the load balancer for authorization.cerner.com will be 64.181.139.60/32 for the primary region (ORD) and 169.155.154.88/32 for the standby region (IAD)
- With this change, the Certificate Authority responsible for signing the TLS certificates on the HTTPS endpoints for these services will change from Amazon to DigiCert.