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I'm trying to create a VPN on AWS but it returns an error:

Conflict among chosen gateway IP addresses. (Service: AmazonEC2; Status Code: 400; Error Code: InvalidCustomerGateway.DuplicateIpAddress;

I was wondering if it's possible to use same Gateway on my account and another account that is not mine. I've make it working when change zone but i would like to use the same region that receive the error.

Andrew Schulman
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placplacboom
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Pretty certain that is not possible. You need to make a new Customer Gateway with a new IP Address. A gateway can only map to one IP address. And the Customer Gateway IP address can only exist once per region, and I mean for the whole region across subscriptions.

TrampSansTom
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    Your answer is probably okay, but I suggest to elaborate more. Why is it so, how should it be done, etc. – peterh Jul 06 '15 at 20:39