This tool proposed in this fling addresses this migration so that customers don't have to provision applications again after upgrading to 4.0 and also get improved performance.

DRS Dump Insight is a service portal where users can upload drmdump files and it provides a summary of the DRS run, with a breakup of all the possible moves along with the changes in ESX hosts resource consumption before and after DRS run.

The vSphere Software Asset Management (vSAM) is a tool that collects and summarizes vSphere product deployment information. It calls on vSphere APIs for deployment data and produces a PDF report that the customer can consult as a part of their infrastructure review and planning process. This lightweight Java application runs on Windows, Linux or Mac OS.

vSphere Diagnostic Tool is a python script that runs diagnostic commands on the Photon Appliance or ESXi platform to return useful troubleshooting data while running within the confines of the local environment with out upstream dependencies.