Lessons learned with a migration to Office 365

Today we are going to write about Office 365 and the recent migration of one of our clients.

Scenario:

• The client want to migrate their mailboxes from on premise Exchange servers to Office 365
• The client requieres password synchronisation (just an active directory sync, not federation or SSO)
• The client has Exchange 2003 and Office 2007
• The Exchange 2003 in our client's implementation is not standard
• The client wants a gradual migration to have time window to deploy Office 2013 on their computers in multiple stages.