AWS RDS – Resolving ‘Incompatible-Network’ Error

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I'm creating a database on AWS RDS, but every time I do, the status is Incompatible-network.

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I'm wondering if it is because my Subnets have a deny all:
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But I can't seem to delete the deny all, it is disabled:

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A subnet attched to the db also doesn't seem to exist:

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The VPC has an internet gateway:

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Why does my database have an Incompatible-network?

UPDATE: subnet-7cbaf624 does not exist anywhere (subnets, network ACL, VPC, route table etc.) but is listed in my DB subnets. Not sure how to remove.

Best Answer

I've resolved this. There was a non-existant subnet attached to my database. The only thing I can do is create a new VPC, I believe, as AWS seems to think my VPC has the missing subnet and attaches it to the DB upon creation if I choose that VPC during creation.

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