Unable to enable FT on the Virtual machine

Products

• VMware vCenter Server

Issue/Introduction

Symptoms:

When enabling Fault Tolerance (FT) on virtual machine (VM), you get a message as Invalid virtual machine configuration.

Cause

This error is caused when expose hardware-assisted virtualization is not supported for FT in virtual machines.

Resolution

To resolve this issue,

1. Shutdown VM.
2. Disable Expose hardware-assisted virtualization on the VM.
3. Enable FT on the VM.

For more information on Expose VMware Hardware Assisted Virtualization see vSphere 6.5 Docs.

Additional Information

Validation Checks for Turning On Fault Tolerance