Set up Windows Azure AD: http://blogs.technet.com/b/keithmayer/archive/2013/04/09/step-by-step-provisioning-windows-azure-active-directory-free-for-production-use.aspx
Azure AD connect: http://blogs.technet.com/b/ad/archive/2014/08/04/connecting-ad-and-azure-ad-only-4-clicks-with-azure-ad-connect.aspx
How to setup a new Windows forest in Azure: http://azure.microsoft.com/en-us/documentation/articles/active-directory-new-forest-virtual-machine/
