Like VMware vCenter Update Manager, if we were using VMware VirtualCenter in our environment 2.5 the VMware Converter Enterprise, we need to update it to the latest version in order to use it in our new VMware vCenter environment 4.0. If we update the, We may continue to retain existing configurations in the previous environment or logs… It will be a process that we can carry out at any time, once we already have our VMWare vCenter server in the 4.0, We can upgrade it when we need it, once we update the Update Manager or at the end of the migration process.