Corporations invest heavily in implementing ERP solutions as a cornerstone solution for their enterprise IT architecture. These solutions are used to support mission critical business processes such as human resources, supply chain, and finance. Implementing an ERP solution is a resource intensive, and time-consuming effort that needs to be carefully managed. Many of the corporations that spend millions of dollars in customizing and integrating an ERP solution often overlook and sidestep a critical software lifecycle step which is the comprehensive testing of the ERP system before deploying into a production environment. In this article, the author offers some suggestions, hints and a testing framework to help corporations deploy their ERP solutions with confidence and quality by focusing on the SAP R/3 ERP package.