How to update ESXi 6.5 to 6.7 via command line

  1. Place the host you are about to upgrade into Maintenance Mode.
  2. Now SSH into the host using PuTTY (or any other SSH client/terminal).
  3. Type the following command to open the firewall for outgoing HTTP requestsesxcli network firewall ruleset set -e true -r httpClient
  4. Type the following command to upgrade to the latest ESXi 6.7 Build 9484548 (latest as of writing)esxcli software profile update -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml -p ESXi-6.7.0-20201004001-standard
  5. After the update has finished disable the HTTP firewall rule by typing:esxcli network firewall ruleset set -e false -r httpClient
  6. And finally, reboot the ESXi host to complete the upgrade.reboot

Once the host comes back online, remove it from Maintenance mode and you’re good to go.

HOW TO REMOVE HIDDEN NETWORK ADAPTERS

Windows automatically hides devices that are not presently connected to the system, but they still exist in Windows’ configuration. This is especially problematic when changing virtual network adapters and not being able to remove IP configurations from old adapters. To resolve:

  1. Click Start, click Run, type cmd.exe
  2. Type “set devmgr_show_nonpresent_devices=1
  3. Type DEVMGMT.MSC, and then press ENTER.
  4. Click View, and Show Hidden Devices.
  5. Expand the Network Adapters tree.
  6. Right-click the dimmed network adapter, and remove