Virtualisation Command
Microsoft Windows Server 2019 Datacenter
CPU Core Edition for highly virtualised datacentres and software-defined infrastructure.
Build dense Hyper-V estates, resilient storage clusters and programmable networks on the edition designed for ambitious private-cloud workloads.
Choose 16 / 32 / 64 / 96 cores →
Unlimited OSEsOn a fully licensed host
16-core minimumPlus 8 per processor
Core + CAL modelCALs sold separately
Extended supportThrough 9 January 2029The architect's edition
When the host becomes a platform, choose Datacenter.
Standard is designed for lightly virtualised environments. Datacenter changes the economics and the architecture: one fully core-licensed host can run unlimited Windows Server operating system environments and unlock the complete software-defined stack.
Datacenter capability map
Control the whole infrastructure plane.
Datacenter advantage
Unlimited virtualisation
Run any number of Windows Server OSEs on a fully core-licensed physical host.
Datacenter exclusive
Software-defined storage
Pool local drives into resilient, high-performance capacity with Storage Spaces Direct.
Datacenter exclusive
Software-defined networking
Centralise network policy and automation with Network Controller and the SDN stack.
Datacenter exclusive
Shielded virtual machines
Protect sensitive workloads using guarded-fabric capabilities and Shielded VMs.
High-density ready
Container density
Run unlimited Windows Server containers, including Hyper-V-isolated containers.
Hybrid enabled
Hybrid operations
Connect infrastructure to Azure services and manage with Windows Admin Center.
One operating system. Three control planes.
Turn racks into a resilient private-cloud fabric.
Design compute, storage and networking together—then operate them as one platform.
Compute plane
Hyper-V, virtualisation rights, containers and cluster-aware operations.
Data plane
Storage Spaces Direct, Storage Replica and resilient software-defined capacity.
Control plane
SDN policy, protected workloads and hybrid management.
Core licensing, made explicit
Count the physical host correctly.
License every physical coreCount cores, not threads or vCPUs
Minimum 8 per processorApply to every physical processor
Minimum 16 per serverEven when the server has fewer coresCore licences do not replace CALs.
Windows Server CALs are normally required for each user or device accessing the server. Remote Desktop Services generally requires additional RDS CALs.
Standard vs Datacenter
Match the edition to the host's job.
| Decision factor | Standard | Datacenter |
|---|---|---|
| Best fit | Physical or lightly virtualised environments | Highly virtualised datacentres and clouds |
| Windows Server OSEs | 2 per fully licensed server | Unlimited per fully licensed server |
| Hyper-V-isolated containers | Up to 2 | Unlimited |
| Storage Spaces Direct | Not included | Included |
| Shielded virtual machines | Not included | Included |
| Software-defined networking | Not included | Included |
| Storage Replica | Limited | Full capability |
Lifecycle intelligence
Plan the workload and the exit strategy together.
Windows Server 2019 remains in extended support, making it relevant for certified applications and established estates. New deployments should include a migration horizon.
13 November 2018Release date
9 January 2024Mainstream support ended
9 January 2029Extended support ends
Technical buyer FAQ
Answers before architecture review.
Does Datacenter include unlimited virtual machines?
When every physical core in the host is fully licensed for Datacenter, Microsoft permits any number of Windows Server OSEs on that server. Hardware capacity and application licensing still apply.
Are Windows Server CALs included?
No. Core licences cover the server software. Each user or device accessing Windows Server normally needs a matching Windows Server CAL, unless a licensing exception applies.
Do Remote Desktop users need extra licensing?
Usually yes. Windows Server CALs and Remote Desktop Services CALs are separate; most RDS deployments require both.
Is CPU Core Edition the same as Server Core?
No. CPU Core describes how the licence is counted. Server Core is a minimal installation option without the full Desktop Experience.
When should I choose Datacenter instead of Standard?
Choose Datacenter for dense virtualisation or when you need Storage Spaces Direct, Shielded VMs or software-defined networking. Microsoft recommends evaluating Datacenter at 13 or more OSEs or Hyper-V-isolated containers.
How long is Windows Server 2019 supported?
Extended support runs through 9 January 2029 under Microsoft's published lifecycle policy.
Virtualisation Command starts here
License the host. Unlock the datacentre.
Choose the 16, 32, 64 or 96 core option that covers your physical server—then complete the access-licensing stack.
Explore Datacenter core options →
