steps involved in upgrading from esx 3.5 to vsphere4
1) upgrade vcenter 4.0
backup old vcenter database
upgrade vsphere
upgrade update manager
upgrade upgrade converter
upgrade Guided consolidation
2)upgrade esx hosts to 4.0
backup esx configuration
enter maintenance mode (move vm's)
create baseline and attach to esx hosts in update manager (Service console VMDK
requires at least 8.4GB of available space in Esx hosts)
)
scan for updates on esx hosts and apply baseline
remediate and reboot...
Done
cleanup....
3) upgrade virtual machines
upgrade vmware tools
upgrade virtual hardware
Message was edited by: Vamshi Meda
