Exchange Server 2010 – Keep In-house or BPOS?

Exchange Server 2010 (E2K10) continues to be a baffling phenomenon. We have a raft of features to make E2K10 easier to manage when running at large scale. Integration with the Microsoft ecosystem (ADS, SharePoint, Outlook/Office) is of course excellent. We even hear with the use of the new DAG (replicated mailbox databases) that backups are a thing of the past – don’t need to backup E2K10 apparently.

I have worked with all versions of Exchange, including when it was still MS Mail 3.x. During the years I have been a big fan of this messaging system – mainly due to its integration ability and use of database technology (well JET actually) to provide many features that were novel at the time of introduction. E2K10 is no exception. However, with the rise of the Cloud, and services such as Microsoft’s Business Productivity Online Suite - BPOS or other hosted Exchange service providers, the messaging is becoming increasingly unclear.

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Exchange Server 2010 – Keep In-house or BPOS?