[Error Code] Invalid/non-existent Google User 0x80041007 [Explanation] At least one migrating user is either not an existing Google Apps user or cannot be accessed in Google Apps by the migration tool. Find the affected user in the logs (search for 'Invalid/non-existent Google User' or '0x80041007'), then check the following for this user: Verify via your control panel that the user exists in Google Apps. Ensure the domain name is correct and is not an alias. Ensure that the user account given is the user's primary e-mail address and not an e-mail alias Check that the CSV file you're using is properly formatted as detailed in the Administration Guide Check that your OAuth consumer key is enabled (see the Administration Guide). Check that all API scopes specified in the Administration Guide are explicitly enabled. Note that migrations to secondary domains require that the OAuth scopes specified must be explicitly authorized in the control panel. [Relevant Links] 
Configure CSV File Configure Google Apps Control Panel