Working with a DB instance that is not in a VPC - Amazon Relational Database Service
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Working with a DB instance that is not in a VPC

The legacy EC2-Classic platform is the original platform used by Amazon RDS. If you are on the EC2-Classic platform, your DB instances are not in a virtual private cloud (VPC).

Important

If you are a new Amazon RDS customer, if you have never created a DB instance before, or if you are creating a DB instance in an Amazon Region you have not used before, in almost all cases you are on the EC2-VPC platform and have a default VPC. Also, if your DB instance was created after 2013, it is probably in a VPC. For information about working with DB instances in a VPC, see Working with a DB instance in a VPC.