This document explains how zero-touch enrollment checks the manufacturer's name against a list.
To help avoid errors when you claim devices for a customer, you identify each device using a hardware ID and the manufacturer's name. The manufacturer's name is a value that's baked in to the device. If the manufacturer name you enter doesn't match the device's value, ZTP doesn't provision the device when the user switches it on.
To help you get the manufacturer's name right, the portal's CSV import and the API check that the manufacturer value matches a value from the table below.
To learn more about identifying devices, read the Identifiers guide.