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Knowledge Base & Operational DocumentationHow to Migrate a Cloud Workload That Uses a Fixed Outbound IP Address
Partners may allow a service connection only from a known outbound IP address. A cloud migration can change the egress path even when the application hostname and inbound traffic stay the same.
What to check
Map outbound destinations and allowlists, identify NAT gateways and regional egress, and confirm which background jobs use the fixed address. Check whether partner endpoints distinguish source IP from application identity.
Recommended next step
Plan a stable egress address or coordinate allowlist updates before cutover. Test outbound connections from each workload path, retain a rollback option, and avoid broad firewall openings as a workaround.
How Informatix Systems can help
Informatix Systems provides cloud architecture and migration services. We can assess the affected setup, trace the issue through relevant systems, and help plan a practical solution. Contact us with the platform involved, when the issue began, and non-sensitive error details.