Support for Ubuntu 16.04 has been introduced for these products:
- ESXi 5.5, ESXi 5.5 Update 1, ESXi 5.5 Update 2 and ESXi 5.5 Update 3
- ESXi 6.0, ESXi 6.0 Update 1 and ESXi 6.0 Update 2
For more information about software and hardware support, please check the VMware Compatibility Guide