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Reference Materials for Migration 8.14 - Migrating to Microsoft Office 365

Introduction BeforeYou Begin Migration to Microsoft Office 365 Post-Migration Activities Tracking the Migration Progress Hybrid Migration Scenarios Advanced Migration Topics Troubleshooting Migration to Microsoft Office 365

Calendar Synchronization

Calendar Synchronization

To view the calendar synchronization progress, you can use the Statistics dashboard in the Migration Manager for Exchange console. The dashboard is available at the calendar synchronization job level and at the calendar collection level.

Select a node related to calendar synchronization in the navigation tree and click the Statistics toolbar button to see the statistics for a particular collection.

TIP: For details on information provided in the Statistics pane, refer to Tracking the Migration Progress. Note that you can also obtain synchronization statistics using PowerShell cmdlets. For details, see Configuring Migration Project Using PowerShell.

For more information about logging and dealing with possible migration problems, see Troubleshooting Migration to Office 365.

Mailbox Migration

Mailbox Migration

To view the mailbox migration progress, you can use the Statistics dashboard in the Migration Manager for Exchange console. The dashboard is available at the mailbox synchronization job level and at the mailbox collection level.

Select a node related to mailbox migration in the navigation tree and click the Statistics toolbar button to see the overall statistics or the statistics for a particular collection.

TIP: For details on information provided in the Statistics pane, refer to Tracking the Migration Progress. Note that you can also obtain synchronization statistics using PowerShell cmdlets. For details, see Configuring Migration Project Using PowerShell.

For more information about logging and dealing with possible migration problems, see Troubleshooting Migration to Office 365.

Hybrid Migration Scenarios

This topic contains a collection of supported by Migration Manager migration scenarios that involve hybrid deployments. For guidance on the choice of scenario, examine the descriptions to find the route that is most appropriate for you.

Currently, Migration Manager supports the following hybrid migration scenarios:

Caution: Microsoft Office 365 now supports a hybrid deployment where multiple Active Directory forests can share a single tenant. Migration Manager does not support migrating into this type of deployment. The target hybrid deployment must be a single forest with a single tenant. Migration Manager can migrate one or more source forests into this single forest hybrid target.

Caution: Prior to implementing any migration scenario, check the system requirements and prepare Exchange organizations as well as Microsoft Office 365 tenant according to the corresponding topics in Before You Begin.

Keeping existing domain name

  1. All described migration scenarios imply that the domain name for the migrated objects will be changed during migration. However if you want to keep the existing domain name, take the following steps:
  2. Migrate objects from the original domain to a temporary domain using Migration Manager for Active Directory. The name of the temporary domain must differ from the name of the original domain.
  3. After that perform another migration according to the chosen hybrid migration scenario. Be sure to have the destination domain name the same as the original domain name.

After performing such two-hop migration, you will implement the desired migration scenario and the migrated objects will have the same domain name as the corresponding source objects.

Acquisition with a Hybrid

Acquisition with a Hybrid

The goal of this migration is to merge objects from the source environment into the target hybrid environment. This also entails a change of domain name for the objects that are migrated. The primary SMTP addresses for the objects from the source environment are to be changed to match the target ones.

The typical use case for this scenario is when one company buys another, and the newly-acquired company needs to merge in its directory and mail system.

Migration Manager provides an ability to migrate users' mailboxes from the acquired company directly to Microsoft Office 365 without the need to firstly migrate mailboxes to on-premises Exchange organization.

Prerequisites

  • The source environment is a regular Active Directory domain with an Exchange organization.
  • The target environment is an Exchange hybrid deployment.

Procedure

Pre-migration task: Establish Mail Flow to Source Exchange Organization

  1. On-Premises Directory Migration
  2. On-Premises Mailbox Migration
  3. Cloud Directory Migration
  4. User Matching
  5. Cloud Mailbox Migration

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