Cross-forest Migration

Cross-forest migration for Exchange 2007 to Exchange 2010/2013/2016/2019
 

Coexistence of Exchange 2003 and 2013/2016/2019, 2007 and 2016/2019 or 2010 and 2019 is not possible. However, EdbMails Exchange migration tool simplifies the cross-forest and cross-domain mailbox migrations between on-premises Exchange environments.
 

Follow the below steps for Exchange cross-forest migration:

  1. Step-1. Get ready with the target Exchange server in a new Active Directory forest

    Refer the below links to configure mail flow and client access:

    Exchange 2010
    Exchange 2013
    Exchange 2016/2019

  2. Step-2. Prepare domain accounts on the target server

    Migrate domain accounts between the Active Directory forests. You can do it automatically using Active Directory Migration Tool (ADMT) or create the accounts manually in the target forest.

    During the mailboxes matching step, you can also create the mailboxes to the corresponding users automatically.

  3. Step-3. Download and Install the EdbMails application

    a. Download and install EdbMails on your computer.   Download

    b. Double click the EdbMails setup (EdbMailsSetup.exe) to install the application.

    c. Follow the instructions that appear to complete the installation.

    installation

  4. Step-4. 'Login' or 'Start Your Free Trial' to access the application

    Click the 'Login' or 'Start Your Free Trial' button.

    Demo login EdbMails

  5. Step-5. Select 'Exchange Migration'

    Select the option 'Exchange Migration' and click the 'Continue'.

    Exchange Migration

  6. Step-6. Connect to Source Exchange Server

    Login to Source Live Exchange

    Click here for the detailed steps on Exchange server login using EdbMails

    On successful login, you will be displayed with the list of mailboxes.

    Load Mailboxes from CSV

    After successful login, if the automatic mailbox listing has failed to retrieve all the mailboxes name then you can load all the mailboxes name using .csv file. However, if the listing is successful then you can ignore this step and continue to next step.

    Click here for the detailed steps on listing mailboxes using '.CSV' file

    Click the 'Continue' button.

    Load CSV

  7. Step-7. Perform Live Exchange to Live Exchange Migration

    Select the mailboxes for migration

    Select the mailboxes that you wish to migrate.

    Choose the migration type as 'Full migration' or 'Incremental migration'.

    Select Mailboxes

    Click the 'Migrate to Destination Exchange [Incremental]' button to continue.

    Export Selected Mailboxes

    Login to Destination Live Exchange

    Login to the target Exchange server. Click here for the detailed steps on Exchange server login using EdbMails

    On successful login, you will be displayed with the list of mailboxes.

    Load Mailboxes from CSV

    After successful login, if the automatic mailbox listing has failed to retrieve all the mailboxes name then you can load all the mailboxes name using .csv file. However, if the listing is successful then you can ignore this step and continue to next step.

    Click here for the detailed steps on listing mailboxes using '.CSV' file

    Click the 'Continue' button.

    Load CSV

    Map Source and Target Mailboxes

    Map the source mailboxes to target Exchange server mailboxes. Click here for the details.

    Start the Migration Operation

    Click the 'Continue' button to start the migration operation.

    mailbox mapping

    That's it! During migration operation, you can view the progress as shown below.

    EDB to Exchange Migration

    Appropriate message will be displayed on completion of the migration operation.

    Click the 'View Log' button to view the migration operation log.

    Login to your Exchange server to verify migrated items such as emails, calendars, contacts etc.

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