Your global organization has an infrastructure that is deployed with Cloud Formation. One employee, in us-east-1 has created a stack 'Application1' and made an exported output with the name 'ELBDNSName'. Another employee has created a stack for a different application 'Application2' in us-east-2 and also exported an output with the name 'ELBDNSName'. The first employee wanted to deploy the Cloud Formation stack 'Application1' in us-east-2, but it got an error. What is the cause of the error?
For each AWS account, export names must be unique within a region. In this case we would have a conflict within us-east-2.
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