Upgrading the ESXi 6.5 to 7.x

Detailed upgrade path and recommendations can be found in https://core.vmware.com/

Note: Back in Time Upgrade is not supported. You can not upgrade to a vSphere Version which was released prior to the current vSphere Patch.

Upgrade Order:

Upgrade Path:

Download the Custom ISO from VMware Product Download: https://customerconnect.vmware.com/downloads/details?downloadGroup=ESXI700&productId=974&rPId=45006

Steps:

- Console to the Physical Server and mount ESXi Installer ISO

- Boot from CD/DVD drive

- Now you can see that the ESXi Installer is loading

- Installer Initializing now

- Click Enter to continue the installation

- Accept the EULA by Pressing the F11 to continue

- Select Disk to Install or Upgrade the ESXi

- Select Upgrade and Press Enter

- Press F11 to Confirm the Upgrade

- Upgrading the ESXi is Inprogress now

- Now Upgrade is Completed Press Enter to Reboot the ESXi

- In this stage ESXi is rebooting now

- Now you have upgraded the ESXi 6.5 to 7.x

Reference VMware KB https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-esxi-70-upgrade-guide.pdf and https://kb.vmware.com/s/article/67077#ESXi6.xto7.0.x