http://blogs.technet.com/ewan/archive/2007/03/02/exchange-2003-2007-clustering-amp-high-availability.aspxThe Exchange development team have done a nice job of expanding the high availability options with the 2007 release. With Exchange 2003, the only real HA design was to use what is now known as a Single Copy Cluster (SCC) - ie. there's one copy of theen-GBCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/ewan/archive/2007/03/02/exchange-2003-2007-clustering-amp-high-availability.aspx#669496Fri, 02 Mar 2007 21:34:19 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:669496A CRM Riff<p>I'm loving the Internet Explorer 7 integrated RSS feed button that is tied to the Favorites button. (you</p> http://blogs.technet.com/ewan/archive/2007/03/02/exchange-2003-2007-clustering-amp-high-availability.aspx#1394171Fri, 29 Jun 2007 13:39:05 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:1394171The Electric Wand<p>(this is a follow on to the previous post on measuring business impact , and are my own thoughts on the</p> http://blogs.technet.com/ewan/archive/2007/03/02/exchange-2003-2007-clustering-amp-high-availability.aspx#3226668Wed, 15 Apr 2009 13:43:51 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3226668The Electric Wand<p>Exchange 2010 beta released - significant changes to architecture of clustering and high availability make provisioning highly available servers simpler and less expensive.</p>