A company's CloudOps engineer is troubleshooting communication between the components of an application. The company configured VPC flow logs to be published to Amazon CloudWatch Logs. However, there are no logs in CloudWatch Logs.
What could be blocking the VPC flow logs from being published to CloudWatch Logs?
VPC Flow Logs require permissions to create log groups and log streams in Amazon CloudWatch Logs. If the IAM role associated with the flow log lacks the logs:CreateLogGroup permission, CloudWatch Logs cannot be created and no logs will appear.
Option B is unrelated because CreateExportTask is used for exporting logs, not publishing them. IPv6 configuration and VPC peering do not prevent flow logs from being delivered.
Ensuring the IAM role has the correct CloudWatch Logs permissions resolves the issue.
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