Set up Federated Free/Busy and Calendar Sharing between Exchange 2010 SP1 and Outlook Live [Updated]

PLEASE NOTE: This is NO LONGER supported and provided as-is for information ONLY. The information here relates to pre-Hybrid configurations that used the Consumer MFG. It does give you some background as to how Office 365 does Federation, though some steps have changed. For a modern “under the hood”, see this article. As organizations move to make use…