reqInfo.SetTags("retention", config.String())

	configData, err := xml.Marshal(config)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Deny object locking configuration settings on existing buckets without object lock enabled.
	if _, _, err = globalBucketMetadataSys.GetObjectLockConfig(bucket); err != nil {
		if _, ok := err.(BucketObjectLockConfigNotFound); ok {