The <GAServerList> section is used to define the list of Trillium Geolocation servers that are available to the Batch server. To define multiple Trillium Geolocation server entries, add additional <Server></Server> tags. By default, a single entry is defined for “localhost.”
<GaServerList>
<Server>localhost</Server>
</GaServerList>Server names can be specified as DNS names or IP addresses.