This completes the setup for federation to Office 365. Keep in mind that before you can successfully use single sign-on with Office 365, you will need to setup and configure Directory Synchronization. After Directory Synchronization is setup, you will have to license the synchronized user in Office 365. This will provision the services for the user. If they want to access Office 365 from outside the internal network, the AD FS Proxy server needs to be setup and configured.