Windows Server 2019 is the operating system that bridges on-premises environments with Azure services enabling hybrid scenarios maximizing existing investments. Increase security and reduce business risk with multiple layers of protection built into the operating system. Evolve your datacenter infrastructure to achieve greater efficiency and scale with Hyper-converged Infrastructure. Windows Server 2019 also enables you to create cloud native and modernize traditional apps using containers and micro-services.
In addition to downloading the ISO, run Windows Server on Azure. Azure provides a great way to test Windows Server 2019 with pre-built images.
The Datacenter edition is the most complete edition and includes the new Datacenter-specific features (Shielded Virtual Machines, Storage Spaces Direct, and Software-Defined Networking) in addition to unlimited server virtualization. Below you can see the comparison between editions.
Standard 2019 |
Datacenter 2019 |
|
Ideal for |
Physical or minimally virtualized environments |
Highly virtualized datacenters and cloud environments |
Licensing model |
Core-based |
Core-based |
CAL requirement |
Windows Server CAL |
Windows Server CAL |
Features available generally |
||
Software-defined Networking |
No |
Yes |
Storage Replica |
Yes, (1 partnership and 1 resource group with a single 2TB volume) |
Yes, unlimited |
Storage Spaces Direct |
No |
Yes |
Inherited activation |
As guest if hosted on Datacenter |
Can be a host or a guest |
Locks and Limits |
||
Can be used as virtualization guest |
Yes; 2 virtual machines, plus one Hyper-V host per license |
Yes; unlimited virtual machines, plus one Hyper-V host per license |
Windows Server roles available |
||
Network Controller |
No |
Yes |
Windows Server Features available |
||
Containers |
Yes (unlimited Windows containers; up to two Hyper-V containers) |
Yes (unlimited Windows and Hyper-V containers) |
Host Guardian Hyper-V Support |
No |
Yes |
- Platform
- Windows
- Processor
- Minimum: 1.4 GHz 64-bit processor Compatible with x64 instruction set Supports NX and DEP Supports CMPXCHG16b, LAHF/SAHF, and PrefetchW Supports Second Level Address Translation (EPT or NPT) Coreinfo, part of Windows Sysinternals, is a tool you can use to confirm which of these capabilities your CPU has.
- Hard disk
- Computers that run Windows Server must include a storage adapter that is compliant with the PCI Express architecture specification. Persistent storage devices on servers classified as hard disk drives must not be PATA. Windows Server does not allow ATA/PATA/IDE/EIDE for boot, page, or data drives. The following are the estimated minimum disk space requirements for the system partition. Minimum: 32 GB
- RAM
- Minimum: 512 MB (2 GB for Server with Desktop Experience installation option) ECC (Error Correcting Code) type or similar technology, for physical host deployment
- Network adapter requirements
- Network adapters used with this release should include these features: Minimum: An ethernet adapter capable of at least 1 gigabit per second throughput Compliant with the PCI Express architecture specification. A network adapter that supports network debugging (KDNet) is useful, but not a minimum requirement. A network adapter that supports the Pre-boot Execution Environment (PXE) is useful, but not a minimum requirement.
- Other requirements
- Computers running this release also must have the following: DVD drive (if you intend to install the operating system from DVD media) The following items are only required for certain features: UEFI 2.3.1c-based system and firmware that supports secure boot Trusted Platform Module Graphics device and monitor capable of Super VGA (1024 x 768) or higher-resolution Keyboard and Microsoft mouse (or other compatible pointing device) Internet access
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