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Amazon Simple Notification Service (SNS) is a fully managed messaging service provided by AWS. It is designed to facilitate the sending of notifications from the cloud, enabling applications to communicate with users or other applications. SNS supports a variety of communication protocols, including HTTP/S, email, SMS, and AWS Lambda, making it a versatile tool for push communication.
When working with AWS SNS, you might encounter the KMSNotFound
error. This error typically manifests when attempting to publish a message or configure a topic with server-side encryption enabled. The error message indicates that the specified AWS Key Management Service (KMS) key cannot be found.
The KMSNotFound
error occurs when the KMS key specified in your SNS configuration does not exist in your AWS account or is not accessible. This can happen if the key has been deleted, the key ID is incorrect, or the key is in a different AWS region.
To resolve the KMSNotFound
error, follow these steps:
Ensure that the KMS key ID or ARN specified in your SNS configuration is correct. You can find the correct key ID or ARN in the AWS KMS console:
Verify that the KMS key is enabled and has not been deleted:
Ensure that the KMS key is in the same AWS region as your SNS topic:
By following these steps, you should be able to resolve the KMSNotFound
error in AWS SNS. Ensuring that your KMS key is correctly configured and accessible is crucial for maintaining secure and efficient communication through SNS. For more information, refer to the AWS SNS Key Management Documentation.
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