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RDS Client: DB Instance quota exceeded

13 January,2023 by Rambler

Question : When attempting to create an new RDS instance  I get the message  - RDS Client: DB Instance quota exceeded.   That does sound self-explanatory - i.e the account has reached the limit of RDS instances allowed. To avoid deleting any RDS instances is there a way around this problem?


Answer:  An AWS account has quotas , leading to limits. The RDS limit is based on a region . Once the limit has been reached - there will be a failure exception message. "RDS Client: DB Instance quota exceeded"

From the AWS documentation - "RDS DB instances, Aurora DB instances, Amazon Neptune instances, and Amazon DocumentDB instances apply to this quota."


The dashboards in the Service quota will detail the current quota levels for the various resources managed through the AWS account 




There is a way to request for more RDS instances - but that requires a request via the AWS Service Quotas console

For more information read - Quotas and constraints for Amazon RDS

Author: Rambler (


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