Amazon_VPC_19
To ensure proper operation, the NAT gateway state should be available without any failure codes. If the NAT gateway could not be created, check the error code/status for the failure in the State message on the main screen.
To check the status and failure code of NAT gateway, follow the steps below:
1. Sign in to the Amazon VPC console at https://console.aws.amazon.com/vpc/
2. Choose NAT Gateways
3. Check for State and State message in the main screen.
4. Follow the references according to the state message.
References : https://docs.aws.amazon.com/vpc/latest/userguide/nat-gateway-troubleshooting.html
CLI: https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/describe-nat-gateways.html
