We have a current installation of SBS 2011 with Exchange 2010 and approximately 70 Mail enabled users.
We are looking at alleviating the load on our SBS Server by migrating users over to Hosted Exchange. We don't want a major impact on operations so are looking to migrate a few users at a time. We have started reading up peoples guides on doing such a task, but are constantly coming across people stating ADFS is an absolute must, which given our size and number of servers this is out of the question.
Could someone recommend a guide for us smaller SME's looking to switch to the cloud? We are only looking at switching the Exchange for now, and not looking at using Office 365 as a whole.