I want to have an Exchange Forest in my Organisation which should consist of Exchabge 2003, 07 and 10 in it. Kindly someone tell me from where I start. Is it necessary to install Ex2003 first then Ex07 then Ex10 or order could be anything?

Hi, Please check site below. I follow this in my deployment of Exchange 2010 in an existing 2003 and 2007. http://technet.microsoft.com/en-us/exdeploy2010/default.aspx#IndexRegards, Jerome Pacificar

I want to have an Exchange Forest in my Organisation which should consist of Exchabge 2003, 07 and 10 in it. Kindly someone tell me from where I start. Is it necessary to install Ex2003 first then Ex07 then Ex10 or order could be anything? Hi, Yes, you need to deploy them in that order or else it won't work Here are two links you can use for coexistence between the versions :) http://technet.microsoft.com/en-us/library/aa998604.aspx http://technet.microsoft.com/en-us/library/aa998186.aspxJonas Andersson | Microsoft Community Contributor Award 2011 | MCITP: EMA 2007/2010 | Blog: http://www.testlabs.se/blog | Follow me on twitter: jonand82