![]() ![]() You can’t use Secure Boot on these installations and will have to re-install from scratch to gain that support.” – Mike Foley’s Secure Boot for ESXi Blog When you enable Secure Boot after the upgrade, an error occurs. ![]() Note: In regards to ESXCLI Upgrades & Secure Boot “If your host was upgraded using the ESXCLI command then your bootloader wasn’t upgraded and doesn’t persist the signatures. Each method listed are valid and supported for upgrading ESXi hosts. All methods may have different requirements which should be reviewed. Upgrades for ESXi hosts can be done Interactively with a CD/DVD or USB drive, with vSphere Auto Deploy, scripted, or via esxcli commands. I should also mention that utilizing VUM is not the only way to perform ESXi host upgrades. Using vSphere Update Manager (VUM ) is a consistent way to keep updates and upgrades in order as well as managed in a repeatable fashion for vSphere Administrators. In this post we will cover the upgrade process for Upgrading vSphere Hosts (ESXi) via vSphere Update Manager (VUM). Upgrade and then completed the vCenter Server & vSphere Update Manager (VUM) upgrades to version 6.7. In Part 1 Preparing to Upgrade & Part 2 Upgrading vCenter Server of the vSphere Upgrade Series we prepared our environment for an ![]()
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