This section specifies the product identifier (ID) for this copy of Microsoft Exchange Server, which is required information. If the product ID information is not included, batch setup fails unless this copy of Microsoft Exchange Server was received under the Microsoft Select Agreement.
| Entry | Description | Value |
| pid= | Product ID number used by OEMs | XXXXOEMXXXXXX |
| cdkey= | The product ID number | Number in XXX-XXXXXXX format |