Over the years, JD Edwards’s product has been enhanced significantly in terms of complete new modules, new toolsets, and new functionality in the existing modules, additional scalability, usability, and reduced cost of ownership. There are many organizations that are on the previous releases and thinking of upgrading to the latest release of Enterprise One 9.0. Key factors in the upgrade planning are accurate effort estimation, identifying the right consulting team, planning, execution and the related costs. These factors largely influence the decision of whether to upgrade or not, when to upgrade, etc.