Run this Crystal Report to see which customers have purchased the item(s) going through an edition change in past 12 months.
P:Crystal ReportsMarketingCOP Marketing CoordinatorCustomer for Edition Changes.rpt
Use the Select Expert tool to add the item numbers and adjust the invoice date range.
Contact Tom and Harry to see how we should proceed with contacting the customer. For the larger accounts, this will likely mean setting up the item in their portal.