Which is the correct order for upgrading vSphere components?
A. vCenter Server, ESXi hosts, VMware
Tools, Virtual Machine hardware
B. VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
C. vCenter Server, Virtual Machine hardware, VMware tools, ESXi hosts
D. ESXi hosts, vCenter Server, Virtual Machine hardware, VMware Tools
Ex
planation:
Correct order is:
1 Back up your configuration
2 Upgrade vCenter Server
3 Upgrade ESXi hosts
4 Upgrade virtual machines and virtual appliances
Reference: