For details about report IDs, see “Report IDs” on page 59.
After you open an aggregate report or a specific migration report, you can navigate to additional pages to determine which users were affected by errors, which errors occurred, and details about the errors.
The summary page is the top-level page of an aggregate or specific migration report. It shows a summary of statistics for all migration runs (for the aggregate report) or a single migration run (for a specific migration report):
Number of emails, calender entries, and contacts migrated
Number of failed emails, calendar entries (events), and contacts
Email migration rate
Google Apps Migration for Microsoft
Exchange Administration Guide