We require a virtualisation expert with experience in vSphere v4 to provide performance and tuning recommendations on our setup. A detailed breakdown of the system hardware is shown below. However to summarise, we have 2 physical machines running ESX from the vSphere v4 Essentials Plus package; each machine is hosting 5 virtual machines, with 2 virtual machines (one on each server) running Exchange 2010. All virtual machines are running Windows 2008 64bit R2 server as the guest operating systems.
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