I'm looking for a HCL for Exchange 2007. We are planning to install Exchange 2007 on a IBM I5/OS, Version 6 Release 1 Mod 0, H Bladecenter. I cannot seem to find an HCL for Exchange 2007, only Server 08. Also we have in place 2 Exchange 03 servers now in the netowrk on same subnet one is on the I5...