Sarepoint migration report tool is a free tool developped by Dakhama, that help you during your migration to Sharepoint,
it gives you real-time monitoring as well as a very precise summary of your migrations (status, error, number of date and target errors)
all this with a single click, without installation of course or admin rights, you can also analyze a remote server.
HOW TO USE :
Open the exe file select File = > Open (then select the folder parent for your migration , by default in AppData\Roaming\Microsoft\MigrationTool\ ) click List (to list all folder and migration) Chose your migration and click analyze, to open it. you can back and refresh ( if there an analyze in progress)
You can also use the mousse button, and F5 to refresh, the right button mousse to back, and doble click left to analyse.