Hi how do i setup a backup exchange server to handle mail if the main one fails. both exchange servers should have the same copy of the emails. how do i do this.

You can use clustring of the mailbox role on exchange 2k7 server and one which you plan to use as a backup serverFor more information you can visithttp://technet.microsoft.com/en-us/library/d2efb6f9-f70a-4f96-9f8d-f7aad6ae83d7.aspxhttp://blogs.technet.com/ewan/archive/2007/03/02/exchange-2003-2007-clustering-amp-high-availability.aspx