If we intend to upgrade our VMware virtual platform, before upgrading to the VMware vSphere version we must run a utility that we have on the VMware vCenter Server CD, where we can check if our ESX hosts are compatible for a possible version upgrade (from VMware ESX 3.x to VMware ESX 4.0) thanks to VMware Agent Pre-Upgrade Check.
If we want to have the new VMware virtualization technology, vSphere, with the new version of VMware ESX hosts, we will need to update our VMware vCenter Server virtual infrastructure management server. And this will have to be updated before updating our ESX host to the latest version. This procedure shows the steps to upgrade a VMware VirtualCenter server from the release 2.5 to the 4.0.
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Windows Server – VMware vSphere – Citrix Virtual Apps & Desktops – Centreon
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