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This article describes an archival job in Microsoft Dynamics 365 Commerce that can help free up space in the database by archiving credit card payment tokens. This job is available as of the Commerce version 10.0.17 release.
For every credit card authorization, the authentication binary large object (auth blob) is stored in the database. Auth blobs contain data that is related to the authorization. Over time, these auth blobs can grow and take up a significant amount of space in the database. The job that is described in this article lets you archive auth blob data by exporting it to Azure Blob storage and then deleting the data from the database.
The parameters for the archival job are based on the age of the transaction in days. In other words, if the Minimum transaction age in days field for the job is set to 365, for example, all XML data about credit card authorizations that is older than 365 days will be subject to archiving when the job is run.
Важно!
Data can't easily be restored after it has been archived. Therefore, transactions that are subject to linked refunds should not be archived. For example, if a merchant's returns policy allows transactions to be returned for refund to the same credit card within two years, the Minimum transaction age in days field for the job should be set to 730 days (two years). In this case, if a transaction is returned after 730 days, the XML that is required to do a linked refund won't be found. Therefore, the customer will have to be refunded via a standalone refund to either a credit card or some other payment method, such as a credit memo or gift card.
| Term | Description |
|---|---|
| Auth blob | The response that a credit card processor returns for a payment request. This response is stored in as an XML blob and, over time, can take up a large amount of space in the database. |
| Linked refund | A refund request that references a previous transaction. Credit card processors consider linked refunds to carry lower risk, and they have lower associated fees. |
| Standalone refund | A refund request that doesn't reference a previous transaction. Standalone refunds carry higher risk and have higher processing fees. |
When the archival job is run, document management is used to export XML data about aged credit card authorizations in a zip file. If document management isn't set up in an environment, the archival job can't successfully be run. For more information, see Configure document management.
The archival job processes all credit card payment data that meets the criterion that is defined by the Minimum transaction age in days value. If the job is active and, based on the defined criterion, a large number of records must be processed, job execution might take several days. However, after the backlog of payments has been archived, the job won't take as long to run.
The archival job archives data in the PaymentAuthorization, PaymentCaptureToken, and PaymentCardToken fields of the RetailTransactionPaymentTrans table. Although transactions that have been archived don't have associated data in these fields, they can still be returned without linked refunds.
You can access the archival job in Commerce headquarters at Retail and Commerce > Retail and Commerce IT > Clean up > Archive credit card transaction data.
The Parameters section of the Archive credit card transaction data flyout menu contains the following parameters:
- Minimum transaction age in days - Setting this parameter is required. Enter the age, in days, of credit card authorizations that will be subject to archiving. The value you enter should be the time period that customers can have refunds linked to their original credit card authorization. For example, if you set the field to 365 days, a return for a transaction that is 366 days old might still be eligible for refund, depending on the merchant's policies. However, because the data that is required to do a linked refund won't be available in Dynamics after it's archived, any refund that is processed will have to be a standalone refund.
- Delete data without archiving - When this parameter is set to Yes, Commerce will delete (not archive) the payment tokens and signature capture data for all transactional records that meet the criteria of minimum transaction age in days.
- Corresponding transaction date - This parameter is a reference field that displays the date in the past that currently corresponds to the value of the Minimum transaction age in days parameter. Records older than the date shown will be affected by the job.
- Use compression - When this parameter is set to Yes, Commerce compresses tokens to save on storage space. For more information, see Further storage management with token compression below. This parameter is available in Commerce versions 10.0.31 and higher.
The Run in the background section of the Archive credit card transaction data flyout menu controls the batch functionality and scheduling of the batch job, and contains the following parameters that you can set for your batch job:
- Batch processing - This parameter is set to Yes by default and can't be turned off.
- Recurrence - The parameters on the Recurrence > Define recurrence tab allow you to set recurrence timing configurations to run the job.
- Alerts - The parameters on the Alerts > Batch job alerts tab allow you to configure alerts for different events related to the batch job.
- Task description - This parameter specifies the batch job display label.
- Batch group - This parameter can be used to specify batch groups to distribute the workload to different servers.
- Private - When this parameter is set to Yes, Commerce restricts other users from processing your batch job. Only the user who configured the form will be able to run the job.
- Critical Job - Setting this parameter to Yes prioritizes processing capacity for the job.
- Monitoring category - A monitoring category can be assigned to make it easier to identify different types of jobs during monitoring.
The following illustration shows an example of parameter settings in the Archive credit card transaction data dialog box.
After the Minimum transaction age in days field and batch details have been set, select Next to view a sample of the data that will be exported. The following illustration shows an example. Although the data in this sample is limited, all data that is subject to archiving can be exported.
Важно!
The data that is subject to archiving includes personally identifiable customer information such as the name of the cardholder. This sensitive data should be handled according to your local regulatory requirements.
After you confirm the parameters for data that must be archived, you'll be prompted to confirm that you understand that the data that is being archived and can't easily be restored, as shown in the following illustration.
After you select Yes, the archival job becomes active, and all XML data about credit card authorizations that is older than the Minimum transaction age in days value will be subject to archiving.
To decrease the footprint of underlying storage tables, you can compress tokens by enabling the Compress payment tokens feature. Enabling this feature flag will allow the system to use compression on stored payment property tokens.
Важно!
To use the Compress payment tokens feature, your system must be running Commerce version 10.0.25 or later and point-of-sale (POS) version 9.35 or later.
To enable the Compress payment tokens feature in headquarters, follow these steps.
- Go to Workspaces > Feature management.
- Under All, search for the Compress payment tokens feature.
- Select the feature, and then select Enable now in the properties pane.
Once the Compress payment tokens feature is enabled, the Use compression parameter in the Archive credit card transaction data parameters section can be set to Yes. (The Use compression parameter is available in Commerce versions 10.0.31 and higher).