The eval version cannot be converted. You must perform a clean install using a Volume License ISO.
This feature turns local storage (SSD/NVMe) from commodity servers into a highly available, scalable software-defined storage fabric. The Datacenter ISO includes the full S2D stack for hyper-converged infrastructure (HCI). windows server 2019 datacenter iso
The Windows Server 2019 Datacenter ISO is a testament to the maturity of enterprise computing. It represents a time when the industry demanded stability over flashiness, and when the definition of a "server" expanded from a physical box to a limitless digital fabric. The eval version cannot be converted
Here are some key features of Windows Server 2019 Datacenter: windows server 2019 datacenter iso