Skandh Gupta

Skandh Gupta started this conversation 6 months ago.

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aws

What should I do if I encounter an "AccessDenied" error with AWS Lake Formation?

What steps should I take if I encounter an "AccessDenied" error with AWS Lake Formation, and how can I resolve this issue to ensure proper access and functionality?

codecool

Posted 6 months ago

Encountering an "AccessDenied" error with AWS Lake Formation can be frustrating, but there are several steps you can take to resolve this issue:

  1. Check IAM Permissions Ensure that the IAM role or user has the necessary permissions to access the resources in question. Verify that the IAM policies include the required Lake Formation permissions1.

  2. Verify Data Location Permissions If the error is related to data location permissions, make sure that the necessary permissions are granted for the Amazon S3 locations being accessed. You may need to grant DATA_LOCATION_ACCESS permissions on the S3 locations.

  3. Grant Required Permissions Open the AWS Lake Formation console and navigate to the permissions section. Grant the necessary permissions to the IAM role or user1. This may include permissions like Create Table, Describe Database, or Read Data.

  4. Cross-Account Access If you are working with cross-account access, ensure that the permissions are correctly configured. The data lake administrator in the recipient account must grant the permissions to the principals (users or roles) in their account2.

  5. Check Encryption Key Permissions If the error is related to encryption key permissions, ensure that the IAM role has the necessary permissions on the AWS KMS encryption key used for the Data Catalog.

  6. Review Error Messages Carefully review the error message for specific details about what permissions are missing or what resources are being accessed. This can help pinpoint the exact issue and guide you in resolving it.

Example Steps Open AWS Lake Formation Console:

Navigate to the permissions section.

Grant the necessary permissions to the IAM role or user.

Grant Data Location Permissions:

Navigate to the data location section.

Grant DATA_LOCATION_ACCESS permissions on the relevant S3 locations.

Verify IAM Policies:

Check the IAM policies to ensure they include the required Lake Formation permissions.

By following these steps, you should be able to resolve the "AccessDenied" error and ensure proper access and functionality with AWS Lake Formation. If the issue persists, consider reaching out to AWS Support for further assistance.