EdbMails EDB Recovery and Migration software
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    • EDB Recovery and MigrationRecover EDB to PST, EDB to Office 365 and Exchange NO Duplicate Migration
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    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
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    • IMAP Email Backup & MigrationMigrate all IMAP email servers (Gmail, Zimbra, Zoho, Yahoo etc.), Office 365, Exchange and Backup to Outlook PST
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    • Office 365 BackupIncremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup
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User’s Manual
EDB Recovery and Migration

User Manual

User Manual

  • Overview
  • System Requirements
  • Installation
    • Installation process
    • Reinstall or Upgrade
    • How to uninstall
  • Initial Setup
  • FAQ
    • EDB to PST
    • EDB to Office 365 Migration
    • EDB to Exchange Migration
    • EDB Public Folder to Office 365
    • EDB Archive Mailbox to Office 365
    • EDB Public Folder to Exchange
    • EDB Archive Mailbox to Exchange
  • Videos
    • EDB to PST Converter
    • EDB to Office 365 Migration
    • EDB to Exchange Migration
    • EDB Public Folder to Office 365
    • EDB Archive Mailbox to Office 365
    • EDB Public Folder to Exchange
    • EDB Archive Mailbox to Exchange
  • Screenshots
    • EDB to PST
    • EDB to Office 365 Migration
    • EDB to Exchange Migration
    • EDB Public Folder to Office 365
    • EDB Archive Mailbox to Office 365
    • EDB Public Folder to Exchange
    • EDB Archive Mailbox to Exchange
  • How it works?
    • EDB to PST Converter
    • EDB to Office 365 Migration
    • EDB to Exchange Migration
    • EDB Public Folder to Office 365
    • EDB Public Folder to Exchange
    • EDB Archive Mailbox to Office 365
    • EDB Archive Mailbox to Exchange
  • 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
    • Using multiple user credentials with CSV file
    • Connecting to Individual user for its 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
  • Knowledge Base
    • How to recover Microsoft Exchange server from Jet Errors
    • Repair a corrupted Exchange database (EDB) file
    • Open and view an EDB file without Exchange server
    • Recover data from an Exchange server crash
    • Open and view an Exchange EDB file
    • Export a disconnected Exchange mailbox
    • Resolve Exchange database consistency check failure
    • Import an Exchange database file (.EDB) into a new Exchange
    • Recover deleted Exchange server mailboxes
    • Resolve Dirty Shutdown error of Exchange database
    • Restore an Exchange server database
    • Export Exchange mailboxes to Outlook PST
    • Export Exchange Public folders to Outlook PST
    • Extract mailbox and export EDB to Outlook PST
    • Export Exchange emails to PST by specific date
    • Export Exchange Archive mailbox to PST
    • Resolve Exchange database fails to mount error
    • Fix Content Index State Failed and suspended error
    • Recover emails from a dismounted Exchange database
    • Exchange database is mandatory on UserMailbox
    • Exchange database status unknown error
    • Restore Exchange 2016 mailbox from Recovery database
    • Move Exchange mailbox to another database
    • Check Exchange database health
    • Backup Exchange server database
    • Reduce Exchange database file size
    • Unable to Mount Database (hr=0x80004005, ec=1108)
    • Exchange Server Disaster Recovery Plan
    • Exchange database in clean shutdown fails to mount
    • Offline EDB Recovery
    • Reduce the size of bulky Exchange server
    • Dial Tone Recovery
    • Recover deleted mailboxes
    • Filter Settings
  • Incremental Migration
  • Exchange Throttling Policy
  • Multifactor Authentication
    • Enable MFA in Office 365
    • Map the Mailboxes
    • Create App password for MFA
    • Disable Security Defaults
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  3. Recover emails from a dismounted Exchange database
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Recover emails from a dismounted Exchange database

When an Exchange database (EDB) becomes dismounted, it can severely impact access to crucial data, including emails, contacts, calendars, and more. This typically occurs due to issues like corruption, missing transaction log files, or database locking by other applications. In such cases, users may encounter the ‘Failed to mount database Mailbox Database’ error, which can halt communication and result in data loss and operational delays.

To address this, recovering emails from a dismounted EDB file requires a dependable and efficient approach—particularly when the database is in a Dirty Shutdown state. EdbMails EDB to PST Converter provides a reliable solution by repairing corrupted EDB files and restoring mailbox data from dismounted or inaccessible databases. It supports seamless migration to a live Exchange server or export to PST files, all without depending on the original Exchange environment.

Recover email from dismounted Exchange database

This step-by-step guide will walk you through the process of using EdbMails to recover emails from a dismounted Exchange server database. Whether your EDB is in a Clean Shutdown or Dirty Shutdown state, EdbMails simplifies the recovery process helping you restore access to vital data quickly and with minimal disruption.

How to recover data from a dismounted Exchange server database?

To recover data from a dismounted Exchange server database, you can use Eseutil for both soft and hard recovery. However, if the database still fails to mount after a hard recovery, you will need to perform a dial tone recovery to temporarily restore email functionality. To fully recover the database and ensure no data loss, it's recommended to use a professional Exchange database recovery tool like EdbMails.

  1. Steps to recover emails from a dismounted Exchange server EDB

    Eseutil is a command-line tool and Microsoft Exchange server utility designed to repair Exchange database files. Before using it, it's highly recommended to create a full backup of the Exchange database file to prevent any potential data loss during the repair process.

    • Step 1: Launch Eseutil from the Exchange server bin directory

      Navigate to the directory where the Exchange server is installed and locate the eseutil tool in the bin directory. You can also perform a Windows search to locate the executable.

    • Step 2: Check the status of the Exchange database from eseutil

      Run the command eseutil/mh to check the status of your database. This command will scan for any errors and show whether the database is in a Clean or Dirty Shutdown state.

    • Step 3: Remount the database if there are no errors

      If the status from the previous step shows Clean Shutdown, it means the transaction logs have been successfully committed to the database. You can proceed by remounting the database using the command Mount-Database -Identity, which will restore your emails to the Exchange server.

    • Step 4: Perform a soft and hard recovery if the database fails to mount

      If the status shows Dirty Shutdown, you won't be able to mount the database without performing a recovery. To perform a soft recovery, copy paste the missing Exchange transaction log files into the database folder and run the command eseutil /r to replay the logs to the EDB.

      If the log files are missing, the only option is to perform a hard recovery with the cmdlet eseutil/p.Remember that the hard recovery operation purges any unrecoverable data and results in a data loss.

    • Step 5: Defragment the Exchange database after the recovery operation

      Run the cmdlet eseutil /d to defragment the Exchange server database. After defragmentation, perform an integrity check using the IsInteg tool. This process not only optimizes the database but also helps reduce Exchange database file size.

    • Step 6: Mount the EDB to the Exchange server

      Finally mount the database to the Exchange server with the cmdlet Mount-Database –Identity. If the database still does not mount, perform a Dial tone recovery operation.

    The method described above has a significant drawback—if the database is severely corrupted and in a Dirty Shutdown state, using the eseutil /p command for hard recovery can lead to irreversible data loss. Additionally, this process involves unavoidable downtime, and the database cannot be mounted again until the recovery is completed. In such situations, the most reliable and secure approach is to use EdbMails, a trusted Exchange server recovery tool that enables complete restoration of the database without risking your critical data.

  2. Recover dismounted EDB file in Exchange server 2019, 2016, 2013, 2010 and 2007 using EdbMails

    EdbMails EDB to PST Converter offers a reliable way to retrieve your emails and mailbox data from offline or dismounted Exchange server database files. If your EDB fails to mount—even after attempting soft or hard recovery—this tool can step in and recover the data without complications. It supports recovery from all major Exchange Server versions, including 2019, 2016, 2013, 2010, 2007, 2003, and even 2000.

    Steps to restore a dismounted Exchange mailbox database to a new server

    • Step 1: Download and install EdbMails Exchange recovery setup

      • Download and install EdbMails on any Windows computer—even if Exchange Server isn’t pre-installed. The software runs independently, allowing you to recover your data with ease.

        EdbMails software installation

      • Launch EdbMails and log in using your registered email ID and password. If you haven’t registered yet, click on ‘Start Your Free Trial’ to gain instant access to all features.

        Login to EdbMails application

      • Choose ‘EDB Recovery (Offline) and Migration’ from the list of available products.

        Select EDB Recovery and Migration

      • Select 'EDB to Live Exchange'.

        Select EDB to Live Exchange

      • You can use the default job name or click ‘New Job’ to assign a custom name, making it easier to identify later.

        Enter the job name

    • Step 2: Select the offline and dismounted EDB file to recover

      • Click the ‘Browse for EDB file’ button.

        Browse for EDB file

      • Choose the offline or corrupted EDB file from your local drive or a shared network folder with read and write permissions.

        Select EDB file

      • EdbMails automatically scans and repairs corrupted EDB files from your Exchange server, ensuring seamless restoration of your data.

        Recovery operation progress

      • After the recovery process finishes, click on the mailbox to expand its contents. You’ll be able to browse through folders like emails, contacts, calendars, tasks, journals, and notes. Simply click on any folder to see a detailed preview on the right-hand side.
      • Select the specific mailboxes or folders you want to export. Once you've made your selection, click ‘Next’ to move forward with the export process.

        Select mailboxes and folders

    • Step 3: Connect to target Exchange server

      • To connect to the target Exchange server, click on ‘Add New Connection’ to create a fresh setup. If you’ve previously configured a connection, simply select it from the list and choose ‘Connect to Existing’ to continue.

        Click ‘Add New Connection’

      • Choose the appropriate connection settings based on your server configuration, then click ‘Next’ to proceed with the setup.

          Different options to connect to Exchange server in EdbMails

        Connect to target Exchange server

      • Provide the necessary Exchange server details to establish the connection. Once configured, click ‘Login’ to continue.

        Login to target exchange server

      • EdbMails automatically loads up to 100 mailboxes from the target Exchange server, as per Microsoft’s API restrictions. If your organization has more than 100 mailboxes, you can effortlessly import the rest using a CSV file method. Choose the preferred method to continue loading all the required mailboxes.

        Choose the option to load the mailboxes

      • As an optional step, you can apply advanced filters to include or exclude specific emails, mailbox items, and folders during the Exchange migration. For instance, the Date filter allows you to export emails to PST based on a selected date range. Additional filters include Subject, Attachment name, Sender and Recipient addresses, and message content, with support for logical AND/OR conditions. You can also exclude emails or attachments exceeding a specified size or choose to generate separate PST files for each folder or subfolder when exporting to Outlook.

        Include exclude folder

    • Step 4: Map source and target mailboxes

      • Choose the mailbox mapping option that aligns with your migration requirements.

        Choose mailbox mapping option

      • EdbMails allows you to automatically create mailboxes on the target Exchange server when installed directly on it. It simplifies mailbox mapping by automatically matching display names between the source and target servers. For more precise control, you can manually map mailboxes and folders to customize the migration process to your needs.

        Map EDB to Exchange Mailboxes

    • Step 5: Start EDB to live Exchange migration

      • Once the mailbox mapping is finished, click ‘Start Migration’ to initiate the transfer of mailbox data from the dismounted EDB file to the Exchange server.

        Migrate EDB to Exchange Mailboxes

      • EdbMails performs a direct one-to-one migration and maintains the folder structure and data formatting throughout.
      • Monitor the migration process in real-time through the progress bar. Once the migration is complete, EdbMails will display a confirmation message to notify you of the successful migration.

        EDB to Live Exchange migration progress

      • Click the ‘View Logs’ button to open a detailed migration report, providing you with insights into the transferred items and any errors encountered during the process.
      • Once the migration is verified, you can delete the Exchange server database file that is no longer needed.

Key features and functions of EdbMails Exchange recovery

  1. EdbMails does not require any technical expertise or scriptlets to recover EDB
  2. A user-friendly tool for directly migrating an EDB file to Office 365 and Exchange server.
  3. Filter options to select and migrate only the specific items you need.
  4. Enables you to open and view an EDB file without Exchange server or Active Directory dependency.
  5. You can recover and convert an EDB file to PST without requiring log files.
  6. Fully compatible with all versions of Windows Operating System and Windows Server.
  7. You can recover deleted Exchange server mailboxes and also export Exchange Public folders to PST.
  8. Enables you to recover the Exchange server from Jet Engine Errors and restore your mailbox data.
  9. The application ensures complete data consistency throughout the recovery and migration process, maintaining accuracy before, during, and after the operation.

To summarize:

An Exchange server database can dismount for various reasons, and remounting it is necessary to restore communication within the business. However, when the database becomes corrupted due to physical or logical errors, or a virus infection, it may fail to mount and will require both soft and hard recovery methods. The manual hard recovery process, however, can result in data loss and requires significant effort to complete. EdbMails EDB recovery software offers a simpler and more reliable solution. As a Microsoft-partnered tool, EdbMails can recover any dismounted or corrupted EDB files, restoring your Exchange database without the risk of data loss. Additionally, it provides an easy way to migrate Exchange mailboxes to a live Exchange server, ensuring minimal downtime and no data loss during the entire process.


Additional resources

  • Resolve Exchange database fails to mount error
  • Fix Content Index State Failed and suspended error
  • Exchange database is mandatory on UserMailbox
  • Exchange database status unknown error
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