Microsoft Office 365 – Exchange Online Implementation and Migration - Second Edition

Basic infrastructure preparation

To simplify our approach, let's start with a basic source Exchange 2013 environment. The following is a diagram of the scope of the requirements:

Let's focus on the necessary requirements for the following components:

• Directory Synchronization server
• Active Directory Federation services
• Exchange Hybrid server

Directory Synchronization server

Only one Directory Synchronization server can be actively used within a single Office 365 subscription. The following are the base requirements for this server:

• 64-bit deployment
  • Windows Server 2008 SP1+,Windows Server 2008 R2 SP1+, Windows Server 2012, or Windows Server 2012 R2
• AD domain ...