This article explains how to resolve sales territories overlap.
Related article: Design sales territories by ZIP code.
Related article: Design sales territories by county or state.
In Map Business Online you can choose to keep territories disjoint, e.g. disallow territory overlap. Please check referenced above articles for more information on how to prohibit territory intersections.
In certain situations you may want to allow territories to overlap. For example if you have high potential area that requires more than one sales rep to handle it. In this article we will look at how to highlight territory intersections and how to resolve or change territories overlap.