Enterprise Vault to Office 365 Migration

Veritas Enterprise Vault has long served as a dependable enterprise information archiving solution, enabling organizations to retain data from Microsoft Exchange, SharePoint, file systems, and emails for legal, compliance, and eDiscovery requirements. Although it continues to be a reliable platform, the growing adoption of cloud-native services has reshaped how organizations manage their archiving strategies. Many Microsoft 365 users now view Enterprise Vault as a supplementary tool or in some cases an outdated one - because Microsoft 365 already includes built-in archiving, compliance, and eDiscovery capabilities. In addition, maintaining Enterprise Vault archives, whether hosted on-premises or within third-party cloud platforms such as AWS or Azure, can increase both administrative effort and operational costs.

The EdbMails PST Migration Tool, a trusted Microsoft partner solution, streamlines the migration of Enterprise Vault archives to Office 365 with features designed for efficiency and security. It provides granular control, allowing users to migrate only the required data, ensuring a precise and customized migration process. EdbMails also supports multilingual environments, making it suitable for organizations with diverse language requirements. By using secure protocols such as OAuth 2.0 and TLS encryption, it safeguards data throughout the migration. In addition, EdbMails offers a cost-effective option with pricing up to 50% lower than many competitors, delivering a reliable and powerful solution for modernizing archive management without compromising on security or performance.

1. Enterprise Vault to Office 365 Migration Plan

   Planning is one of the most important steps before you begin the Enterprise Vault to Office 365 migration. Here is a checklist of points to consider before you migrate.

   • Determine the size of the data and the number of mailboxes you want to migrate.
   • Make a list of all the data and permissions from the Enterprise Vault that you want to transfer.
   • Create appropriate user mailboxes on Office 365 and assign licenses to them.
   • Ensure you have enough network capacity and bandwidth to migrate.
   • Communicate the migration plan and flow to your end users.

2. Enterprise Vault Migration to Office 365 Prerequisites

   1. Create Office 365 mailboxes and assign licenses to them

       Add users and assign licenses to Office 365 users

       Assign Microsoft 365 licenses to user accounts

   2. If you plan to migrate the Enterprise Vault archive to Office 365 Public folders, ensure that you create and configure the Public folder mailboxes on the target server.

       Create Office 365 Public folder and assign mailbox user

   3. Similarly, if you want to migrate to the Office 365 In-Place archive, enable them from the admin center.

       Steps to enable archive mailbox in Microsoft 365.

   4. If you have a custom email domain from the source which you want to retain and receive emails to, you must add and verify the domain on Office 365.

       Steps to add a custom domain to Office 365 and Steps to add DNS records to connect your domain.

   5. Configure Office 365 to send and receive large messages.

       Follow the steps to increase the message size on Office 365 to 150MB. See message size limits on Office 365 for more information.

3. Steps to migrate Enterprise Vault to Office 365 with EdbMails

   • Step 1: Download and install the EdbMails software

     • Download and install the EdbMails application on a Windows-based computer to begin the migration process.

       

     • See a detailed list of EdbMails system requirements for PST to Office 365 migration.
     • Open the EdbMails application on your computer.
     • Enter your registered email address and password, then click ‘Login’. If you are using EdbMails for the first time, click ‘Start Your Free Trial’ to continue with the trial version
       Note: The trial version lets you access all major features and migrate up to 30 items per folder. For unlimited migrations, you must purchase PST Recovery and Migration Corporate Premium or Technical Edition License from the official EdbMails website.

        Click here to view the PST Migration pricing details.

       Once the purchase is complete, close the application and launch it again. Then log in using the same email address and password used during the purchase to activate your license successfully.

       

     • Select ‘Outlook PST Recovery and Migration'.

       

     • Select ‘PST to Office 365’.

       

     • You can continue with the default job name or select ‘New Job’ to assign a custom name for easier identification.
     • After naming the job, click ‘Next’ to proceed.

       

   • Step 2: Select the offline PST file and connect to the source

     • Before you begin the migration, ensure that your mailbox data from Enterprise Vault is exported in PST format.
     • To add a PST file that you want to migrate in EdbMails, click ‘Browse for PST file’

       

     • Browse and select the offline PST file from your local drive that you want to migrate. After choosing the file, click ‘Next’ to continue with the migration process.

       

   • Step 3: Preview and select the Enterprise Vault server mailboxes

     • EdbMails automatically scans the PST file and recovers data even if the file is partially corrupted, ensuring a reliable and complete migration.

       

     • Once the recovery process is complete, the full mailbox folder structure will be displayed in the left pane. You can navigate through folders and subfolders to explore the recovered data. EdbMails’ built-in preview feature allows you to view emails, contacts, calendars, and other mailbox items directly within the application, ensuring accuracy before migration.
     • Select the required mailboxes/folders for migration and click the ‘Next’ button.

       

   • Step 4: Connect to target Office 365 server

     • Select the ‘Add New Connection’ option to establish a connection with your target Office 365 account.
     • If you have previously set up a connection, you can choose it from the available list and click ‘Connect to Existing’ to proceed.

       

     • Select the required connection options and click the ‘Next’ button.

       

     • Select any of the available options to establish a secure connection using OAuth 2.0 modern authentication.
     • Choose Auto Registration for a quick and simple setup. Sign in with a Global Admin account and grant the required permissions to automatically register the application in Azure AD.
     • Alternatively, select Manual Registration if you prefer to enter the Azure AD application details manually. This option supports both Global Admin accounts and accounts with Full Access permissions.
     • Click ‘Login’ to proceed.

         Connect to Office 365 server using secure modern authentication

       

     • Authenticate on Microsoft sign-in page.

       

     • After successful authentication, select one of the following options to load the mailboxes:

       i) Load Mailboxes Automatically: Once you sign in, EdbMails automatically retrieves and displays the mailboxes, making the process quick and simple. Due to Microsoft API limitations, only up to 100 mailboxes can be listed. If your organization has more than 100 mailboxes, use the alternative option below.

       ii) Load Mailboxes using CSV file: If the automatic method does not retrieve all mailbox names, choose the ‘Load Mailboxes using .CSV file’ option to manually import and load the required mailboxes.

       iii) Load Mailboxes from previous list: This option lets you load mailboxes directly from a list that was previously imported and saved during an earlier session.

     • Select ‘Load Mailboxes Automatically’ and click ‘Next’ to proceed.

       

   • Step 5: Enterprise Vault to Office 365 source and target mailboxes mapping

     • Choose the required mailbox mapping option.

       

     • EdbMails automatically creates mailboxes on your target Office 365 server and assigns the necessary licenses.

        Learn more about the automatic mailbox creation process on the target Office 365 server.

     • By default, EdbMails automatically maps the mailboxes and folders between the source and the target server. You can also manually map the source mailboxes to the required target mailboxes.

       

   • Step 6: Start Enterprise Vault to Office 365 migration

     • Click the 'Start Migration’ button to initiate the migration process.

       

     • The migration process will now begin, and you can track its status in the progress bar. EdbMails also allows you to pause or resume the operation at any point. Once the migration is complete, a confirmation message will be displayed to indicate successful completion.

       

     • You can verify the list of migrated folders and mailbox items with EdbMails text-based migration log report.
     • Once the migration is successfully completed, log in to your target Office 365 account and verify that all the mailbox items have been migrated correctly.

4. Enterprise Vault to Office 365 post migration tasks

   • Step 1: Update the MX records to point to Office 365

     If you have not done this step previously, change the DNS records known as MX records to enable email and receive messages on the target Office 365 server. In addition, configure the Autodiscover record to allow Outlook to connect to the migrated mailboxes.

   • Step 2: Create a new Outlook profile for users in the new domain

     Configure the Outlook profile for each user in your domain if Outlook has problems connecting to Office 365 mailboxes.

5. Troubleshooting Guide for Enterprise Vault to Office 365 Migration

    Refer to the knowledge base articles for solutions to common issues. For additional details on EdbMails PST to Office 365 migration, check the frequently asked questions or reach out to our customer support team.

 Learn more about EdbMails PST migration Tool.

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