The evolution of SharePoint's enterprise content management (ECM) functionality has created a quandary for organizations looking to implement an enterprisewide content management solution. Forrester clients ask: "Do I replace my ECM solution with SharePoint, or should I integrate it with SharePoint?" Answering this question is not often simple. Why? ECM vendors supplement SharePoint functionality in many different ways. Most clients already have a mix of ECM tools, and options abound for integrating SharePoint with existing ECM products. This report provides an overview of SharePoint ECM gaps and overlaps, as well as prescriptive guidance for how to start solving this SharePoint ECM puzzle.