Microsoft Windows Server 2025 Datacenter Edition (4-Core, Additional License)

Microsoft Windows Server 2025 Datacenter Edition (4-Core, Additional License) (EP2-25315) - Local Warranty

Additional Core Licensing for Windows Server 2025 Datacenter

Microsoft Windows Server 2025 Datacenter Edition (4-Core, Additional License) (EP2-25315) is designed to expand existing Windows Server 2025 Datacenter deployments by adding additional core licenses to supported server environments. It enables organizations to maintain licensing compliance when scaling server hardware resources and increasing processing capacity.

Flexible Scaling for Enterprise Infrastructure

The additional 4-core license pack allows organizations to extend existing Windows Server 2025 Datacenter licenses as server processor core counts increase. This supports scalable deployment strategies for virtualization environments, enterprise workloads, and high-performance computing infrastructures.

Optimized for Virtualized and Datacenter Environments

Windows Server 2025 Datacenter is designed for highly virtualized infrastructures, private cloud deployments, and mission-critical applications. Additional core licensing helps organizations support workload growth while maintaining access to Datacenter features including advanced virtualization and software-defined infrastructure capabilities.

Supports Compliance for Expanding Server Resources

This additional license pack is intended to complement existing Windows Server 2025 Datacenter base licensing requirements. It helps organizations align licensing with hardware expansion and maintain compliant enterprise server deployments.

Technical Specifications

General
Product Name: Microsoft Windows Server 2025 Datacenter Edition (4-Core, Additional License)
SKU / Part Number: EP2-25315
Product Type: Additional Server Core License Pack
Edition: Windows Server 2025 Datacenter
License Type: Additional Core Expansion License
License Pack Size: 4 Cores
License Term: Perpetual License
Licensing Model: Core-Based Licensing
Architecture: 64-Bit (x64)
Deployment: Enterprise, datacenter, virtualization, HCI, private cloud environments
Usage Mode: Additional core licensing for Windows Server Datacenter deployments
Brand: Microsoft
Platform: Windows Server 2025

License Details
License Duration: Perpetual
Core Quantity: 4 Additional Cores
Purpose: Expansion license for existing Windows Server Datacenter deployment
Minimum Server Licensing Requirement: 16 cores per server mandatory
Use Case: Licensing additional physical CPU cores beyond included base licenses
Media Included: No Installation Media Included
Activation Method: License Expansion Only

Supported Base Editions
Compatible With:
• Windows Server 2025 Datacenter OEM
• Windows Server 2025 Datacenter Volume Licensing
• Windows Server Datacenter CSP Deployments

Not Applicable For:
• Windows Server Standard Edition
• Windows Server Essentials

Virtualization Rights
Virtual Machine Rights: Unlimited Virtual Machines (with fully licensed host)
Windows Containers: Unlimited
Hyper-V Containers: Unlimited
Hyper-V Virtualization Support: Included via Datacenter edition host
Live Migration Support
Storage Migration Support
Shielded VM Support

Datacenter Features Supported
Storage Spaces Direct (S2D)
Storage Replica Unlimited
Software Defined Networking (SDN)
Shielded Virtual Machines
Azure Arc Integration
Hotpatching Support
Failover Clustering
Software Defined Storage
Network Controller Support

Typical Licensing Scenarios
Example Server Configurations:

20-Core Server:
• Base 16-Core License + 1 × Additional 4-Core License

24-Core Server:
• Base 16-Core License + 2 × Additional 4-Core Licenses

32-Core Server:
• Base 16-Core License + 4 × Additional 4-Core Licenses

All physical cores in the server must be licensed according to Microsoft licensing requirements

Supported Server Roles
• Active Directory Domain Services (AD DS)
• DNS Server
• DHCP Server
• Hyper-V Virtualization
• File and Storage Services
• Web Server (IIS)
• Remote Desktop Services
• Containers
• Software Defined Networking

Security Features Supported
Credential Guard
BitLocker Encryption
Secure Boot
TPM 2.0 Support
Windows Defender
JEA / JIT Administration
SMB Encryption
Secured-Core Server Support

Management Features
Windows Admin Center Compatible
Server Manager Support
PowerShell Administration
Remote Server Administration Tools (RSAT)
Group Policy Management
Windows Terminal Support

Deployment Features
Physical Server Expansion Licensing
Datacenter Virtualization Environments
Private Cloud Infrastructure
HCI Deployments
Enterprise Datacenter Expansion
Large Scale VM Hosting Environments

Package Contents
Windows Server 2025 Datacenter Additional 4-Core License
License Documentation

Key Features
4-Core Datacenter expansion license
Perpetual licensing model
Supports unlimited virtualization rights
Datacenter edition compatible
Core-based expansion licensing
Enterprise scalability support
Private cloud deployment ready
HCI environment support
Hyper-V compatible
Datacenter infrastructure ready

Typical Use Cases
CPU core expansion licensing
Datacenter virtualization hosts
Hyper-V clusters
Private cloud deployments
HCI infrastructure
Enterprise server upgrades
Large-scale VM environments
Software Defined Datacenter deployments