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 joined within the forest that you plan to synchronize with Office 365
Microsoft .NET Framework version 3.5 SP1 and 4.0 installed
Windows PowerShell version 3.0 or later installed
6 GHz+ processor
4 GB RAM (16 GB for 50-100 K objects and 32 GB for 100 K+ objects)
100 MB or 1 GB Nic
100 GB+ free disk space, for an object count fewer than 100K (if you...