Planning a Microsoft 365 Implementation_V002
Planning a Microsoft 365 Implementation_V002
1h 10m

Microsoft 365 represents a combination of Office 365, Windows 10 and Enterprise Mobility offerings – providing the most complete set of SaaS technologies that Microsoft has to offer. With Microsoft 365, organizations can deploy a complete solution encompassing both devices and applications, along with applying security and compliance policies to protect the entire suite.

This course will help you as you plan your migration of users and data to Microsoft 365, including planning your identity and authentication solution, and the on-premises infrastructure needed to support your migration. We’ll also help you understand and identify your business requirements and use cases, to help drive your decision-making process when planning to transition your infrastructure to the Microsoft cloud. We’ll spend some time focusing on networking and discuss some of the networking decisions that need to be made to ensure an optimal migration experience, as well as the best experience for your users after migration.

This course will also help you to identify which data needs to be migrated to the cloud, and what the best migration method will be based on your scenario – we’re also going to cover the different types of user identities, how your users will authenticate, and how that’s going to affect your migration planning.

In addition to talking about these different components, we’re also going to run through a few demos – showing you some of the practical steps involved, along with some tips and tricks we’ve picked up along the way. 

Learning Objectives

By the end of this course, you should be able to:

  • Plan a Microsoft 365 Implementation, including the supporting infrastructure
  • Plan your identity and authentication solution, both on-premises and in the cloud
  • Identify your users, data, and mailboxes to be migrated to Microsoft 365
  • Plan the migration of your groups and user data to Microsoft 365

Intended Audience

This course is intended for people who:

  • Want to become a Microsoft 365 administrator
  • Are preparing to take the Microsoft’s MS-100 exam 


To get the most from this course, you should have a general understanding of networking & server administration as well as IT fundamentals such as DNS, Active Directory and PowerShell.


Before you begin your Microsoft 365 implementation, and especially before you start to migrate any users or data into the service, there are several key components that you need to address. These components need to be understood and decided on back in the planning stages. This is not the type of thing that you want to build out on the fly. 

Approaching a migration project without proper planning and answering some of these critical design decisions is going to leave you in a place where you can, potentially, leave open some large security holes, providing users with an improperly configured service, or even a potentially problematic migration. Don't get me wrong, there's a lot that you can recover from with some quick thinking, but it's far better to understand the steps to a successful deployment of, and migration to Microsoft 365 before you even begin to configure anything. So, here's the five components of planning a successful implementation of Microsoft 365. Number one, understanding your business and user requirements. Number two, identifying your use cases. Number three, planning identity and authentication. Number four, planning on-premises integration. And number five, planning for security and administrative access. 

Let's go through these and talk through them in greater detail.

About the Author

Jeremy Dahl is a Senior Technology Consultant who has spent the last 8 years focusing on Microsoft 365 technologies and has been an Office 365 MVP for the last 6 years. Jeremy is a self-proclaimed cloud addict who architects technology solutions that combine cloud technologies with on-premises solutions, allowing organizations to make the most of their existing infrastructure while still taking full advantage of the agility and scalability of what the cloud has to offer.

Jeremy can be found blogging about Microsoft 365 technologies on his website,, and evangelizing the Microsoft cloud on Twitter.