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Migrating from Microsoft Exchange to O365

How to Make the Move from Exchange 2010 to Office 365
Thomas Mitchell (50,000+ STUDENTS TAUGHT)
4,601 students enrolled
English [Auto]
Plan and perform a cut-over migration of maiboxes from an on-premises Exchange 2010 server to O365/Exchange Online
Plan and perform a cut-over migration of public folders from an on-premises Exchange 2010 server to O365/Exchange Online
Install and configure Azure AD Connect

Using third-party tools to perform Exchange-to-O365 migrations can be extremely costly, especially for small businesses with very little IT budget.  Using the FREE native tools that Microsoft provides vastly reduces hard costs, but using them can be confusing.  As such, I’ve authored this outstanding course on migrating email from on-premises Exchange to Office 365 using Microsoft’s native tools.

In this course, the student will learn how to prepare for (and perform) a cut-over migration from an on-premises Microsoft Exchange 2010 server to Office 365 / Exchange Online.

Topics covered include:

  • Setup of the O365 Tenant Account
  • Verifying Domain Ownership
  • Preparing Active Directory for the Migration
  • Preparing the On-Premises Exchange Org for Migration
  • Connecting O365 to Your Exchange Email System
  • Migrating Mailboxes to O365
  • Performing the Cutover to O365
  • Re-Routing Email to Office 365
  • Assigning Licenses to O365 Users
  • Post-Migration Tasks & Cleanup
  • Migrating Public Folders to O365
  • Configuring Azure AD Connect to Sync AD to O365
  • Decommissioning the On-Premises Exchange Server


Upon completion of this course, the student will be able to successfully plan, prepare for, and perform a cut-over migration from Exchange 2010 to Office 365 using the native tools that Microsoft provides.

Getting Started

A High-Level Overview of the Migration Process

This lecture will provide an overview of the course.  It's basically a walk-through of what tasks we will be completing during the course.

Our Lab Environment

This lecture introduces the student to the lab environment that will be used during the course.

Setup Your O365 Tenant Account

Sign Up for Office 365

In this lecture, you will be taken through the process of signing up for an O365 tenant account.

Verify Your Email Domain

In this lecture, you will learn how to complete your O365 account setup and how to verify your email domain.

Prepare Active Directory for the Cutover Migration

Common Active Directory Issues

This brief lesson discusses the most common Active Directory issues that present problems within O365.

Installing and Running the IDFix Utility

The IDFix utility is a small program that identifies issues within Actove Directory that must be addressed before a move to O365.  This lesson explains how to install and run the utility.

Correct Active Directory Issues Identified by IDFix

In this lecture, students will learn how to correct the most common AD issues identified by IDFix.  Included in this lecture is a downloadable PowerShell command that can be used to remove unneeded proxy addresses from all users in AD.

Prepare Exchange for the Cutover Migration

Configure Outlook Anywhere on Your On-Premises Exchange Server

The cutover migration process utilizes Outlook Anywhere to connect to the on-premises Exchange server.  In this lecture, the student will learn how to enable Outlook Anywhere in Exchange.

Verify Outlook Anywhere Functionality

A cutover migration to O365 requires Outlook Anywhere.  This lecture explains how to verify that Outlook Anywhere is working in your Exchange environment.

Confirm Migration Permissions

This lecture explains what permissions are required to perform a migration from Exchange to O365.

Disable Unified Messaging

You must disable Unified Messaging for your user mailboxes prior to migration to O365.  This lecture explains the process.

Adjust MX Record TTL in DNS

Reducing the TTL for your MX record will reduce the possibility of delayed emails after the cutover, This lecture explains what the MX record is, what the TTL is, and how to change it.

Preparing for the Migration

Create Security Groups in O365

This lecture explains how to get on-premises mail-enabled security groups into O365.

Create a Migration Endpoint

The Migration Endpoint connects the on-premises Exchange environment to O365 and is used for the migration.  This lecture teaches you how to setup the Migration Endpoint.

Migrate Mailboxes to O365

Create Your Cutover Migration Batch

In this lecture, the student is taught how to create the migration batch that will be used to migrate mailboxes to O365.

Start the Cutover Migration Batch

In this lecture, the student will learn how to launch the cutover migration batch and how to view batch details and statistics.

Verify Mailbox Synchronizations

In this lecture, the student will learn how to confirm that the initial synchronization of on-premises mailboxes to the cloud was successful.  We will also see how the migration treated the security groups that existed in Active Directory.

Route Your Email Directly to O365

Modify Your MX Records

This lecture will explain how to change the MX record so that email starts flowing directly to O365 instead of the on-premises Exchange organization.

Turn off Mailbox Synchronization

Delete the Cutover Migration Batch

In this lecture, the student is walked through the process of turning off mailbox synchronization from the on-prem server to O365.

Assign O365 Licenses to Users

Activate O365 User Accounts by Assigning Licenses

Students are taught in this lecture how to activate licenses for migrated users.

Complete Post-Migration Tasks and Cleanup

Configure and Confirm Public DNS Entries

One of the last steps in the migration is to modify public DNS to ensure everything points to O365.  This lecture walks the student through this process.

Configure and Confirm Internal DNS Entries

This lecture walks the student through the process of modifying internal DNS to support autodiscover internally.

Re-Enable Unified Messaging (Optional)

If you were using Unified Messaging prior to your migration to O365, you had to disable it before cutting over.  This lecture explains how to re-enable Unified Messaging in O365 for user who need it.

Configuring New Outlook Profiles

Manually Create New Outlook Profiles

In this lesson, the student will learn how to create a new Outlook profile for the O365 mailbox.

Automatically Create New Outlook Profiles

This lecture explains how to use a login script to automatically create new Outlook profiles for all users.

Synchronizing AD to O365 (OPTIONAL)

Running the Synchronization Readiness Wizard

This lecture walks the student through the process of running the Directory Synchronization Readiness Wizard.

Installing and Configuring Azure AD Connect

This lecture walks the student through the process of installing and configuring Azure AD Connect.

Confirming Synchronization Between AD and O365

This lesson explains how to confirm that Azure AD Connect is working.

Migrating Public Folders to O365

Before You Get Started
Obtain Migration Scripts
General Prerequisites

This lecture covers some basic public folder prerequisites that  must be addressed before migrating public folders.

Preparation: Local Exchange Server Prerequisites

In this lecture, students are taught how to prepare the local Exchange server for the migration of public folders to O365.

Preparation: O365 prerequisites

In this lecture, students learn how to prepare O365 for the eventual public folder migration.

Generate CSV FIles

This lecture walks the student through the creation of mapping files needed for the migration.

Create Public Folder Mailboxes in O365

In this lecture, the student will learn how to create the target public folder mailboxes in O365 in preparation for migration.

Start the Migration Request

In this lecture, the student is walked through the process of launching the actual public folder migration request.

Complete the Migration of Public Folders

Learn how to finalize the migration of public folders to O365.

Remove Public Folder Database from Local Exchange Server

Learn how to permanently delete the on-premises public folder database form Exchange.


To Decom or Not to Decom?

Should you decommission your on-premises Exchange server?  This lecture explains the pros and cons.

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