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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    1. Home
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    3. Exchange Throttling Policy

    Exchange Throttling Policy

    Steps to create custom Exchange server throttling policy

User Manual

  • Exchange Migration Overview
  • Initial Setup
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    • Installation process
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    • Before Migration
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  • 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

Exchange throttling policy for Exchange Migration

What is Exchange throttling?

On-premise Exchange server uses throttling policies to ensure that a single user does not use up all the Exchange server resources. Normally, this ensures that the Exchange server remains healthy and available for all the users. However, during migration, if you migrate more mailboxes at a time, the Exchange server will throttle, and you will encounter performance issues. Exchange throttling imposes a limit on the number of concurrent call requests that you can execute at the same time. Therefore, it is advisable to create a new "migration" throttling policy in order to achieve error free migration.

How to avoid Exchange server throttling?

EdbMails application is designed to migrate the email and other items granularly to avoid throttling issues. In addition, you can create a custom throttling policy with limits higher than the default ones or even disable these limits and assign it to the user account used in the EdbMails application to perform the migration.

Steps to create custom throttling policy in Exchange Management Shell (EMS)

  1. To set the limits higher

    Verify the current throttling

    Command: Copy & Paste it on EMS

    Get-ThrottlingPolicy | fl

  2. Create a new throttling policy:

    Command: Copy & Paste it on EMS

    New-ThrottlingPolicy

  3. Throttling policy settings.

    Use $null or Unlimited values to disable the limits or use custom values

    • Exchange Server 2010:

      Command: Copy & Paste it on EMS

      Set-ThrottlingPolicy NewPolicy -RCAMaxConcurrency $null -EWSMaxConcurrency $null -EWSMaxSubscriptions $null -CPAMaxConcurrency $null

    • Exchange Server 2013 and newer:

      Command: Copy & Paste it on EMS

      Set-ThrottlingPolicy NewPolicy -RCAMaxConcurrency Unlimited -EWSMaxConcurrency Unlimited -EWSMaxSubscriptions Unlimited -CPAMaxConcurrency Unlimited -EwsCutoffBalance Unlimited -EwsMaxBurst Unlimited -EwsRechargeRate Unlimited

  4. Assign the admin account used in EdbMails application to the throttling policy

    Command: Copy & Paste it on EMS

    Set-Mailbox <mailbox name= " "> -ThrottlingPolicy NewPolicy

  5. Assigning the throttling policy to all users in your organization

    Command: Copy & Paste it on EMS

    Set-ThrottlingPolicy "NewPolicy" -ThrottlingPolicyScope Organization

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Step 1. Download and install EdbMails

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

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