EdbMails EDB Recovery and Migration software
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    Exchange EDB / Email Recovery Tools
    • EDB Recovery and MigrationRecover EDB to PST, EDB to Office 365 and Exchange NO Duplicate Migration
    • OST Recovery and MigrationRecover OST to PST, OST to Office 365 and Exchange Migration
    • PST Recovery and MigrationRecover Outlook PST, PST to Office 365 and Exchange Migration
    • MBOX Export and MigrationExport MBOX to PST, MBOX to Office 365 and Exchange Migration
    • NSF Export and MigrationExport NSF to PST, NSF to Office 365 and Exchange Migration
    Exchange and Office 365 Migration
    • Exchange Server MigrationMigrate Exchange 2007, 2010, 2013, 2016, 2019 to Office 365 tenants. Also, migrate between Exchange servers and PST
    • Office 365 MigrationMigrate Source Office 365 tenants to Destination Office 365 tenants. Also, migrate to Exchange Server and PST
    • IMAP Email Backup & MigrationMigrate all IMAP email servers (Gmail, Zimbra, Zoho, Yahoo etc.), Office 365, Exchange and Backup to Outlook PST
    • SharePoint Online MigrationMigrate documents, files and folders from SharePoint sites
    • OneDrive for Business MigrationMigrate documents, files and folders from OneDrive
    • Microsoft Teams MigrationMigrate Teams, documents, files and folders etc.
    Exchange and Office 365 Backup
    • Office 365 BackupIncremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup
    • Exchange Server BackupIncremental, Granular, Encrypted and Compressed Exchange Mailboxes Backup
    • SharePoint, OneDrive & Teams BackupBackup Online site collections, Team sites, Office 365 groups, all documents etc.
    • Duplicate Remover - Office 365 & Exchange Remove duplicate emails, calendars, contacts, journal etc. from Office 365 and Exchange
    • GAL and All Address Lists migrationDirectly migrate Exchange and Office 365 Global address list and Address Lists items
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    3. Exchange server incremental migration

    Incremental Exchange server migration

    Migrate to Exchange server without duplicates

User Manual

  • Exchange Migration Overview
  • Initial Setup
  • System Requirements
  • Installation
    • Installation process
    • Reinstall or Upgrade
    • How to uninstall
  • FAQ
    • General
    • Migration Free Trial / Demo
    • Migration License
    • Before Migration
    • Migration - Steps
    • After Migration
  • Videos
    • Exchange to Exchange
    • Exchange to Office 365
    • Exchange to PST
    • Public Folder to Office 365
    • Archive Mailbox to Office 365
    • Public Folder to Exchange
    • Archive Mailbox to Exchange
  • Screenshots
    • Exchange to Exchange
    • Exchange to Office 365
    • Exchange to PST
  • How it works?
    • Exchange to Exchange
    • Exchange to Office 365
    • Exchange to PST
    • Exchange Public Folder to Office 365
    • Exchange Public Folder to Exchange
    • Exchange 2010 to 2016 Public folder
    • Exchange 2013 Public folder to Office 365
    • Exchange 2016 Public folder to Office 365
    • Exchange Public Folder to Shared Mailbox
    • Archive Mailbox to Office 365
    • Archive Mailbox to Exchange
    • Hosted Exchange Migration
    • Hosted Exchange to Live Exchange Migration
    • Hosted Exchange to Office 365 Migration
    • Live Exchange to Hosted Exchange Migration
    • Hosted Exchange Public Folder to Office 365 Migration
    • Cross-forest migration from Exchange 2013 to Exchange 2019/2016
    • Hybrid Migration
    • Public folder Migration in Hybrid Environment
    • Migrate GAL and all address list
    • Disable msExchMailboxGuid
  • Connect to Exchange server for multiple mailboxes migration
    • Connect with Global Admin
    • Connect to Multiple users using CSV file
    • Connect using full access permission
    • Connect individual users for Single / Specific user Migration
  • Connect to Hosted Exchange for its Migration
    • Connect with Full Access permissions
    • Connect to multiple users using CSV file
    • Connect to Individual user for migration
  • Connect to Office 365
    • Modern Authentication Using OAuth 2.0
      • Microsoft 365 modern authentication
      • Automatic Registration
      • Manual Registration
    • Connect with Global Admin
    • Connect to Office 365 with full access permission
    • Connect to Office 365 with CSV file option
    • Connect to Office 365 as single user mailbox
  • Set Exchange Server Impersonation rights
    • Exchange 2007 and below
    • Exchange 2010, 2013, 2016 and 2019
    • Set using Exchange Server GUI
  • Understanding the Application
    • Program's Component
    • Migration
    • Incremental Migration
    • Exchange Throttling Policy
  • Set Office 365 Impersonation rights
    • Using PowerShell commands
    • Using Office 365 GUI
  • Migration Types
    • Cutover Migration
    • Staged Migration
    • Hybrid Migration
  • Map the Mailboxes
  • Migration Walkthrough
    • From Exchange 2003
    • From Exchange 2007
    • From Exchange 2010 to Exchange 2019
    • From Exchange 2010 to Exchange 2016
    • From Exchange 2010 to Office 365
    • From Exchange 2013 to Exchange 2019
    • From Exchange 2013 to Exchange 2016
    • From Exchange 2013 to Office 365
    • From Exchange 2016 to Exchange 2019
    • From Exchange 2016 to Office 365
    • From Exchange 2019 to Office 365
    • From Office 365
  • Multifactor Authentication
    • Enable MFA in Office 365
    • Create App password for MFA
    • Disable Security Defaults

Incremental migration

When you migrate to the target Exchange or Office 365 server using EdbMails Exchange migration tool, the first migration is a full migration, which migrates everything from the source to the target. After you complete the full migration with EdbMails, you can run the incremental migration, which migrates only the new items and the items which are not yet migrated by comparing the previous migration data.

EdbMails comes with the built-in support for incremental migration that is useful to migrate mail items without duplicating them on the target server on subsequent migration operations.

The incremental migration feature is useful in the following scenarios

  1. To migrate items that were excluded in the previous attempt (when you apply folder or filter options during the migration)
  2. To restore the edited or updated source items to the target folders such as calendars, appointments and notes.

Incremental migration

After you migrate the mailboxes from a particular computer, you must migrate from the same source mailbox to the same target mailbox from the same computer to avoid duplicates on the target.

EdbMails Exchange migration tool with its incremental migration is one of the best solutions to run the migration without creating duplicates on your target server. This approach will save migration time, bandwidth and improve migration performance.

Following are the migration scenario you must ensure to avoid duplicate items in your target mailboxes

  1. Ensure that you are using EdbMails for the first time to migrate to the target mailbox. If the messages are already existing on the target (that were not migrated using EdbMails) then a re-migration may cause duplicate items.
  2. Ensure that you never select the same source and target mailbox. This will result in migration within the same mailbox and it will create duplicate items
  3. Ensure that you do not select the same mailbox during parallel migration on different computers. In addition, ensure that you migrate the mailboxes from the same computer during re-migration.
  4. Ensure that you always migrate your mailboxes using EdbMails. If you are using multiple migration methods such as Importing from PST, PowerShell and so on, it may result in duplicate items

Steps to perform Incremental migration from a different machine:

Copy and paste the meta-data folder 'C:\Program Files (x86)\EdbMails\MDATA_MGR' from the computer you used for migration to the new computer where you want to migrate. Set the 'Temp location for meta-data' accordingly as shown in the following screenshot.

Incremental migration metadata

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EdbMails Demo / Trial Version

Step 1. Download and install EdbMails

Step 2. Click the 'Start Your Free Trial' button

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