Fulfill the following prerequisites before starting the installation:

1. HA cluster must be setup and enabled before enabling FT.
2. Configure the networking properly i.e. vmkernel adapter must be configured for FT logging and Vmotion.
3. There is no CD/DVD enabled for the VM.
4. Hardware virtualization in BIOS must be enabled for each of the host.
5. All the hosts in the cluster must have supported processors and license for enabling FT.