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Knowledge Base & Operational DocumentationHow to Migrate a Cloud Application That Depends on a Private DNS Zone
An application may resolve internal services through a private DNS zone linked to selected networks. A migrated workload can lose name resolution even when public DNS and internet access work.
What to check
Inventory private zones, network links, forwarding rules, resolver endpoints, search domains, and dependent service names. Test queries from the target subnet and compare with the source environment.
Recommended next step
Link or forward the required zones in the target architecture, then verify each service name from the actual workload. Avoid hard-coding addresses that may change.
How Informatix Systems can help
Informatix Systems provides cloud architecture and migration services. We can assess the affected environment, narrow down the failure, and help plan a practical correction. Contact us with the system involved, when the issue began, and non-sensitive error details.