http://blogs.technet.com/gerod_serafin/archive/2007/02/09/databases-might-not-mount-after-installing-exchange-dst-fix-926666.aspxThere has been a decent amount of chatter externally about this, so I was very glad that we finally got this article written: 932599 You can no longer mount any of the Exchange databases after you apply hotfix 926666 to a computer that is running Exchangeen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/gerod_serafin/archive/2007/02/09/databases-might-not-mount-after-installing-exchange-dst-fix-926666.aspx#637469Sun, 11 Feb 2007 21:52:48 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:637469subject: exchange<p>How to: Install Exchange 2007 Management Tools for Windows Vista Look out BlackBerry, Palm is back Moving</p>