Why does this setting cause Bulk Export Job to fail with 403 on S3?

Why does this setting in the Genesys Cloud bulk export configuration result in a 403 Forbidden error when pushing digital channel transcripts to our S3 bucket for legal discovery? We are processing a high volume of webchat and email interactions that require strict chain of custody metadata preservation.

The environment is set up with a dedicated service account. This account has the recording:export:write scope and the IAM policy allows s3:PutObject on the target bucket. The bucket policy explicitly allows access from the Genesys Cloud IP ranges listed in the documentation. Despite this, the bulk export job consistently fails after processing approximately 15% of the requested data set.

The error appears in the job status log as follows:

{
 "status": "FAILED",
 "errorCode": "S3_PUT_FORBIDDEN",
 "message": "Access Denied when attempting to write object to s3://legal-hold-archive/transcripts/2023-10/",
 "timestamp": "2023-10-27T14:22:15Z"
}

We have verified that the S3 bucket does not have versioning enabled, which we assumed was not strictly necessary for this use case, though we are open to changing that. The metadata tags required for our audit trail are being applied correctly in the Architect flow before the export trigger. The issue seems isolated to the actual data transfer phase.

We are using the latest version of the Bulk Export API endpoint. The timezone for all logs is Europe/London. Has anyone encountered similar permission issues when exporting digital transcripts specifically, as opposed to voice recordings? Voice exports to the same bucket succeed without error. This discrepancy suggests a potential difference in how the platform handles file permissions or MIME types for text-based digital channels versus audio files.

Any insights into specific S3 bucket configurations or Genesys Cloud settings that might cause this selective 403 error would be appreciated. We need to resolve this quickly to meet our legal discovery deadlines.

This looks like a permissions misconfiguration on the S3 side. Even with recording:export:write, the bucket policy often blocks cross-account writes if the source ARN isn’t explicitly trusted.

Check the bucket policy to ensure it grants s3:PutObject to the specific Genesys Cloud service principal. Missing that trust relationship triggers the 403 immediately.