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Microsoft Windows Server 2025 Datacenter is the Microsoft server operating system in the Datacenter edition, with a perpetual license that never expires. Compared with Standard it makes the virtual machines that can run on the same hardware unlimited and adds Storage Spaces Direct and software-defined networking. Access to the server requires CALs, available separately. The license is delivered with its product key.

Why choose Microsoft Windows Server 2025 Datacenter

A server exists to centralise what stays duplicated and out of control on a network of scattered computers: accounts, shared folders, permissions, printers, backups. With Active Directory you stop creating a user on every PC and move to a single directory, with policies applied to all workstations.

The Datacenter edition makes sense when the hardware is used to the full: no limit on the number of virtual machines, Storage Spaces Direct for building shared storage from the nodes' internal disks and software-defined networking. It is the edition of clusters and heavily virtualised environments. The 2025 generation introduces SMB over QUIC for reaching shares over the internet without a VPN, GPU partitioning across several virtual machines and the hotpatch update model, which reduces the restarts needed to apply fixes.

What Microsoft Windows Server 2025 Datacenter is and what it is for

Microsoft Windows Server 2025 Datacenter provides the roles a company network rests on: Active Directory Domain Services for users and policies, DNS and DHCP for addressing, the file server with DFS and Storage Spaces, IIS for websites and web applications, print services and Hyper-V for virtual machines.

Extended support for this version runs until October 2034. The license covers the server operating system: users or devices that connect to it need CALs, and remote desktop sessions need RDS licenses, both available separately in the catalogue.

Key features

• Unlimited virtual machines
  No limit on the number of virtualised systems that can run on the hardware covered by the license.
• Storage Spaces Direct
  Shared storage built from the nodes' internal disks, with no dedicated SAN.
• Software-defined networking
  Virtual networks, balancing and a distributed firewall managed in software rather than on the appliances.
• Active Directory Domain Services
  A single directory of users and computers, with security policies applied to all workstations on the network.
• Failover clustering
  Services that move automatically to another node when the active one stops.
• File server with DFS and Storage Spaces
  Centralised shares, distributed namespaces and disk pools managed by the system.
• Server Manager and Windows Admin Center
  Role administration from a local console or a browser, across several servers too.
• Core installation without a graphical interface
  A reduced attack surface and fewer restarts, for virtualisation nodes.

Feature overview of Microsoft Windows Server 2025 Datacenter

Comparison: Windows Server Standard, Datacenter and Essentials

System requirements

Microsoft Windows Server 2025 Datacenter requires a 1.4 GHz 64-bit processor, at least 2 GB of RAM for the installation with a graphical interface and 32 GB of disk space, plus a Gigabit network adapter. In production the resources should be sized on the active roles and the number of virtual machines. For detailed requirements see the "Requirements" tab on the product page.

Why are licenses priced so low?

As these are retail licenses previously owned and decommissioned by the former holder in accordance with EU Court ruling C-128/2011, they can be purchased at a more affordable price. These official licenses are fully compliant and guaranteed at the best price on the market.

What do I receive after purchase?

By purchasing this product you will receive the official download of the software from the Microsoft website, the license for activation and complete instructions for a correct installation.

Advantages of the Licensel License

• Fast delivery by email
  You receive the license and the download link within a few minutes of your order.
• Always free support
  Our technicians assist you via Live Chat and email, at no additional cost.
• Invoice included
  The invoice is issued automatically once the purchase is complete.
• Trusted Shops guarantee
  Licensel is a Trusted Shops partner shop: every order is covered by the official buyer guarantee.

How to buy and activate

1. Choose your edition
   Select the version you need and complete your order in a few clicks.
2. Receive the license by email
   Within a few minutes you receive the official download link and the license for activation.
3. Install and activate
   Download the software from the manufacturer's official website and enter the license to complete activation.
4. Support included
   For any question our technicians are available via Live Chat and email.

How to download and install Microsoft Windows Server 2025 Datacenter

After purchase you receive by email the license and the link to the official download of the Microsoft Windows Server 2025 Datacenter ISO image. Prepare a bootable USB stick or mount the image on the server's remote management controller, start the machine from the media and choose between the installation with Desktop Experience and the Core installation without a graphical interface. Once the procedure is complete, enter the license for activation and configure the roles from Server Manager.

Need help with installation?

No problem: our technicians are available via the Live Chat at the bottom right of the website to assist you in real time.