Resolution
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You can create a default subnet in any Availability Zone that doesn't currently have a default subnet. For more information, see [Create a default subnet](https://docs.aws.amazon.com/vpc/latest/userguide/work-with-default-vpc.html#create-default-subnet).

**Note:** You can only create default subnets in a default Amazon VPC. If you deleted your default Amazon VPC, then [create a default VPC](https://docs.aws.amazon.com/vpc/latest/userguide/work-with-default-vpc.html#create-default-vpc) that contains a default subnet in each Availability Zone in the Region.

Related information
-------------------

[Delete your default subnets and default VPC](https://docs.aws.amazon.com/vpc/latest/userguide/work-with-default-vpc.html#deleting-default-vpc)

[What is Amazon VPC?](http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Introduction.html#Overview)

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