Microsoft

Microsoft Windows Server 2025 Datacenter, Core Add-on

Windows Server

Microsoft Windows Server 2025 Datacenter, Core Add-on

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204,99 €

incl. VAT

  • Product key, download link and instructions by email

Instant delivery – by email

  • PayPal
  • Credit/debit card

Personal installation help: Book a callback · Book a remote help appointment

At a glance

License scope
Additional license for 2 cores; extends a base license of the same edition. CALs required separately.

All product details and system requirements

Windows Server

Is this product right for you?

Microsoft Windows Server 2025 Datacenter, Core Add-on: Microsoft server product for your IT environment.

Not sure it fits? We will check it with you – tell us your server environment.

Delivery and activation

  1. Order and payAs a guest or with a customer account. The delivery time starts when payment is received.
  2. Receive the keyProduct key, download link and instructions by email. Immediately after payment is received.

If a key does not work: If the delivered key is faulty, you first receive a replacement; if the replacement does not help either, we will consider refunding the purchase price. Your statutory warranty rights remain unaffected.

Process in detail

With your order you receive instructions for installation and activation. If you get stuck, we help personally by email or contact form, on request also by Callback or remote help (TeamViewer) at the agreed time.

If the delivered product key is legitimately faulty, we will in principle first provide a replacement. If the problem persists after the replacement, we will consider refunding the purchase price concerned. If a problem only occurs later, we will first check the cause. Statutory warranty rights remain unaffected.

Purchasing and use

For businesses

Cores, CALs and virtualization for your server environment: we are happy to clarify with you before you order. On request you receive with your order Proof of origin and Declaration of assignment. The right of use is governed by the manufacturer's license terms.

Information for business customers

Claims for resellers

For resellers, the claim must relate to a specific order line. For the review we may request an error code, a screenshot or a technical diagnosis. After a replacement, in the event of a further justified complaint, we will consider a credit note or refund. Replaced or refunded keys must not be used further or resold.

Product details and requirements

Manufacturer
Microsoft
Product
Windows Server 2025
Edition
Datacenter
Operating system
Windows Server
License type
Activation key; right of use under the manufacturer's license terms
Activation
Delivered as a product key; extends an existing base license of the same edition.
B2B documents on request
Proof of origin, Declaration of assignment
Delivery method
Product key, download link and instructions by email
Delivery time
Immediately after payment is received
Server license scope
Additional license for 2 cores; extends a base license of the same edition. CALs required separately.
Manufacturer support until
2034-11-14
Item number
VKA-WS2025-DATACENTER-COREADDON

System requirements

Processor
1.4 GHz 64-bit processor (x64) with NX/DEP, CMPXCHG16b, LAHF/SAHF, PrefetchW and SLAT, plus SSE4.2 and POPCNT
Memory
2 GB (Desktop Experience: 4 GB recommended); ECC for physical hosts
Storage
32 GB (absolute minimum)
Other
network: Ethernet 1 Gbit/s or faster; TPM 2.0 only for certain features such as BitLocker

Check the support period at the manufacturer (new tab)

Frequently asked questions

What do I receive and when is it delivered?

Product key, download link and instructions by email. Delivery time: Immediately after payment is received.

How do I activate this product?

We are happy to tell you the activation method for this offer before you order.

Does the offer fit my existing installation?

Tell us your current version, edition and operating system – we will check with you before the purchase whether this offer fits.

Can I use the product in my company?

This offer includes a product key for activation; the right of use is governed by the manufacturer's license terms (Terms and Conditions § 4). For resellers we provide the B2B documents listed with the offer on request.

How long does the manufacturer support this version?

Manufacturer support ends on 14/11/2034. After that, no further security updates are planned for this version. A perpetual license does not extend the support period.

View all: Windows Server

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