Windows Server 2016 DataCenter

Buy a genuine Windows Server 2016 Datacenter key and license one physical host for unlimited Windows Server virtual machines. The key is delivered instantly by email and activates online, with no subscription to renew.

Windows Server 2016 Datacenter was the release that introduced Storage Spaces Direct, Storage Replica and shielded virtual machines. Today it is a legacy edition, chosen mainly to repair or extend existing 2016 hosts and clusters. This page explains what Windows Server 2016 Datacenter includes, when it still makes sense and how to install it.

Windows Server 2016 Datacenter Key: Quick Answer

Here is what you get with this license:

• Product: Microsoft Windows Server 2016 Datacenter
• License: one-time purchase, for 1 server
• Activation: online with the product key, phone activation as a fallback
• Virtualization: unlimited virtual machines on a fully licensed host
• Datacenter-only features: Storage Spaces Direct, Storage Replica, shielded VMs and software-defined networking
• Support status: final stage of extended support, security updates only
• Delivery: key sent by email, typically instantly

Windows Server 2016 Datacenter is the matching license for an existing 2016 cluster; for new platforms, choose a newer release.

Why Buy a Windows Server 2016 Datacenter Key?

Virtualization clusters run most smoothly when every node uses the same Windows Server version. Replacing a failed 2016 node with another 2016 node avoids an unplanned cluster upgrade in the middle of an incident.

Common reasons to buy it include:

• Replacing or adding a node in a Windows Server 2016 Hyper-V cluster
• Running virtual machines certified only for a 2016 host
• Keeping Storage Spaces Direct consistent across 2016 nodes
• Building a low-cost virtualization lab
• Preparing a rolling cluster upgrade to a newer version

For a new virtualization platform, Windows Server 2025 Datacenter or Windows Server 2019 Datacenter gives you more remaining support.

Windows Server 2016 Datacenter Key at a Glance

Item	Details
Product	Microsoft Windows Server 2016 Datacenter
Edition	Datacenter
Servicing channel	Long-Term Servicing Channel (LTSC)
Number of servers	1
Virtual machines	Unlimited on a fully licensed host
Activation	Online; phone as a fallback
Commercial use	Yes
Delivery	Digital key by email

Windows Server 2016 Datacenter Features

Datacenter adds infrastructure features on top of the Standard edition:

• Unlimited virtualization: run any number of Windows Server virtual machines on the licensed host
• Storage Spaces Direct: build highly available storage from local drives across cluster nodes
• Storage Replica: block-level replication between servers or sites for disaster recovery
• Shielded virtual machines: encrypted VMs protected by the Host Guardian Service
• Software-defined networking: network controller, virtual networks and load balancing

It also includes the general 2016 improvements: nested virtualization, Windows and Hyper-V containers, Credential Guard and hot add of memory and network adapters.

Windows Server 2016 Datacenter vs Standard

In the 2016 release, the gap between the editions is wider than in later versions:

Capability	Standard	Datacenter
Active Directory, file, print and web roles	Yes	Yes
Hyper-V and containers	Yes	Yes
Virtual machines per licensed server	2	Unlimited
Storage Spaces Direct	No	Yes
Storage Replica	No	Yes
Shielded virtual machines	No	Yes
Software-defined networking	No	Yes

You do not need Datacenter simply because a server matters. For two virtual machines or fewer, Windows Server Standard 2016 costs less.

How Windows Server 2016 Datacenter Licensing Works

Windows Server 2016 introduced core-based licensing, with a minimum of 16 core licenses per server. This key activates one server installation; hosts with more cores may need additional core licensing to stay compliant.

Users and devices that access the host or its virtual machines need Windows Server CALs. Remote desktop sessions need RDS CALs as well, such as the Windows Server 2016 RDS Device CAL.

Is Windows Server 2016 Datacenter Still Supported?

Only just. Windows Server 2016 is in the final stage of extended support, so Microsoft releases security updates only, and that support is ending soon.

The server keeps running after support ends, but new vulnerabilities will not be patched. You can confirm the exact status in Microsoft’s product lifecycle search.

Planning a Move from Windows Server 2016 Datacenter

Buying a 2016 key often buys time for a planned migration. Hyper-V clusters can move to a newer release with a rolling cluster upgrade, replacing one node at a time while virtual machines keep running.

A simple plan looks like this:

• Back up every virtual machine and test a restore
• Confirm guest applications support the newer host version
• Upgrade one node, move workloads, then repeat
• Raise the cluster functional level only when every node is upgraded

For production clusters, you may want an experienced administrator involved.

Running Windows Server 2016 Datacenter Safely

A virtualization host carries every workload on top of it, so its security matters more than any single server. Until you migrate, keep these habits:

• Install every remaining security update on hosts and guests
• Keep management interfaces on a separate, firewalled network
• Limit Hyper-V administrator rights to the people who need them
• Back up virtual machines regularly and test restores

Who Should Buy Windows Server 2016 Datacenter?

This key is the right choice when you:

• Need to repair or extend an existing 2016 cluster
• Run many Windows Server virtual machines on one 2016 host
• Have software or hardware certified only for 2016
• Want a low-cost Datacenter license for a lab

Windows Server 2016 Datacenter System Requirements

Component	Minimum requirement
Processor	1.4 GHz 64-bit, with NX, DEP and SLAT support
Memory	512 MB (Server Core) or 2 GB (Desktop Experience)
Storage	32 GB
Network	Gigabit Ethernet adapter
Firmware	UEFI and TPM 2.0 for shielded VMs

How to Install and Activate Windows Server 2016 Datacenter

Microsoft provides the installation ISO through its Windows Server 2016 Evaluation Center page:

1. Download the Windows Server 2016 ISO and create a bootable USB drive.
2. Install Windows Server 2016 Datacenter with Desktop Experience or Server Core.
3. Open Command Prompt as administrator.
4. Run the DISM command below with the key from your Bcdkey email.
5. Restart the server when prompted.
6. Open Settings > Update & Security > Activation and confirm the server is activated.

DISM /online /Set-Edition:ServerDatacenter /ProductKey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /AcceptEula

Our guide to downloading, installing and activating Windows Server 2016 Datacenter covers every step in detail. If phone activation is requested, use the Bcdkey Get Confirmation ID tool.

Delivery, Order Tracking and Support

Your key is sent by email, typically instantly after payment, and is also saved in My Account. You can follow any order with Track Order.

If activation does not complete, open a support ticket with a screenshot of the message. Related licenses are in our Windows Server 2016 category.

FAQ About Windows Server 2016 Datacenter Key

Is this a genuine Windows Server 2016 Datacenter key?

Yes. It is a genuine Microsoft key that activates Windows Server 2016 Datacenter on one server.

Is Windows Server 2016 still supported?

Only for security updates, and that extended support is ending soon.

How many virtual machines can I run?

Unlimited Windows Server virtual machines on a fully licensed host.

Does Windows Server 2016 Datacenter include Storage Replica?

Yes. In the 2016 release, Storage Replica is exclusive to Datacenter.

Can I upgrade a 2016 cluster later?

Yes. Rolling cluster upgrades move nodes to a newer version one at a time.

Is it a one-time purchase?

Yes. You pay once with no subscription.

How fast is delivery?

Keys are delivered by email, typically instantly after your order is confirmed.