To administer source systems, you can:
Source systems can be one of these types:
Spoke: A spoke system, such as a legacy system.
Purchased: A third party data provider, such as D&B, that you need to purchase data from.
Source system references are maintained only for active source systems. Only source systems defined as enabled for Single Source of Truth are available to provide data for the SST record. See: Single Source of Truth Overview.