Help Center/ Relational Database Service_RDS for MySQL/ FAQs/ Database Connection/ What Should I Do If an ECS and RDS Instance Deployed in Different VPCs Cannot Communicate with Each Other?
Updated on 2026-10-08 GMT+08:00

What Should I Do If an ECS and RDS Instance Deployed in Different VPCs Cannot Communicate with Each Other?

  1. Switch the VPC of the ECS to the same VPC as the RDS instance.
  2. Create a VPC peering connection between two different VPCs to enable private network communication.