http://blog.flaphead.dns2go.com/archive/2007/10/04/exchange-2007-could-this-be-an-undocumented-feature.aspxJust got round to installed an Exchange 2007 Single Copy Cluster and saw this in the Exchange Management Console: Notice the Cluster ! ... It looks like the Exchange Management Console is showing different version numbers for an Exchange 2007 Single CopyenCommunityServer 2.1 SP2 (Build: 61129.2)http://blog.flaphead.dns2go.com/archive/2007/10/04/exchange-2007-could-this-be-an-undocumented-feature.aspx#8745Sat, 06 Oct 2007 10:15:03 GMTdfd37a73-98d8-4eec-a8b7-87a183efa840:8745subject: exchange<p>Observations about the software industry today Mobile E-Mail For Business: How Five Platforms Compare</p>