This will start out importing the info and start logging the data in the /choose/zimbra/log/import.log file. Execute the migration utility within the spot server and export the Backup & Restore data through the resource server: You'll have to help the zimbraMailboxMoveSkipBlobs attribute and disable zimbraMailboxMoveSkipHsmBlobs attribute on the supply(NG) server https://israellyjwg.wikiap.com/764344/little_known_facts_about_free_mail_zimbra_migration