Can't delete AWS internet Gateway

user_2337243 0
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I created an internet gateway in AWS VPC dashboard, I attached it to a VPC then I want to detach it but I keep getting this error:

Network vpc-xxxx has some mapped public adresses, Please unmap those public addresses before detaching the gateway. ( Service: AmazonEC2; Status Code: 400; Error Code: DependencyViolation; Request ID: qfdqsdf)

What to do to detache this IGW ? Why exactly do I get this error?

I need to get rid of this IGW without deleting extra resources. please any ideas?

For information, the route table of the VPC does contain public addresses but they are routed to other targets. This IGW is not set as target anywhere.

amazon-vpc gateway amazon-web-services amazon-ec2 networking
6 Answers

had eks in a vpc, deleted the cluster but now there's network interfaces with an EIP and sg attached to them that were loadbalancers that did not get deleted when deleting the cluster because the deployments were not deleted inside the cluster before deleting the cluster itself. Had to find all associated ELB's and delete them, then security groups, then intefaces, EIP, all the way down the line till finally deleting the internet gateway and vpc.

user_49245570

I had to delete NAT gateway that was hanging around to resolve mine.

user_41237050

For those facing the same problem check also Route tables having the Internet Gateway as target

user_63962740

Personally, I had to manually reject connections from the endpoint services in the VPC.
Endpoint Services > Select Service > Endpoint Connections > Select connection > Actions > Reject endpoint connection request

user_64483840

In my case, I had to remove the dependency of Public IP from the DMS Replication instance.

user_109615440
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