This entry probably should have been a cross-posted ... but please check out my individual blog's latest post on how the DPM 2006 and DPM 2007 drivers work.

Also included is a 10 minute streaming video on how DPM 2007 uses VSS, as well as the native transaction logs of Exchange Server and SQL Server, as part of data protection.

Streaming Video - 9 minutes - How does DPM really protect data?