My colleague Brett Hill wrote an article for Windows IT Pro Magazine on Business Productivity Online Services, which is now also the cover article for February.
The article is very comprehensive and takes you through all the steps required from subscriptions all the way through to ‘consuming’ the services.
Microsoft’s Business Productivity Online Suite makes it easy to set up, manage, and use online versions of Exchange Server, SharePoint, and Microsoft Office Live Meeting. Learn what you need to know to subscribe to these services, configure settings and users, and some tips for planning your Business Productivity Online Suite deployment.
Read the whole article: here
Update 27-1-2009 : The link to the article seems to be for subscribers only (I could access it this afternoon perfectly). Checking for a solution ..