Nano Server is a new deployment choice for Windows Server 2016 which requires Software Assurance on the Windows Server licences, and page 45 of the December 2016 Product Terms document confirms that you need SA on the CALs too.
Nano Server is a new deployment choice for Windows Server 2016 which requires Software Assurance on the Windows Server licences, and page 45 of the December 2016 Product Terms document confirms that you need SA on the CALs too.