input: [Error Code] 0x80070002 [Relevant Links] Configure CSV File Configure Google Apps Control Panel [Explanation] 
output: Migration has failed because some files could not be found by the migration tool. This typically indicates one of the following problems: - The source server could not be found - please check the server settings and authentication details (if applicable). - The usernames specified do not exist - please double-check the source CSV file. - Microsoft Outlook is not installed, or is an unsupported version. Note that Outlook is not needed if performing migration from an IMAP server.