Buy Windows Server CALs – Flexible access licenses for modern IT infrastructures

With Windows Server CALs (Client Access Licenses), you ensure that users and devices can legally access your server environment. At Licensix, you can find the right access licenses for different versions – from proven systems like 2016 to the latest generation Windows Server 2025.

Thanks to Microsoft’s flexible licensing model, you can tailor your infrastructure precisely to your needs – whether you run a small business or a complex IT environment with many users.

What are Windows Server CALs?

CALs (Client Access Licenses) are required to allow users or devices to access Windows Server services. Without these licenses, a legally compliant server operation is not possible.

At Licensix, you can choose your CALs flexibly and expand them at any time – ideal for growing businesses or dynamic IT environments.

User CAL vs. Device CAL – What’s the difference?

Microsoft distinguishes between two licensing models:

• User CAL – One license per user. Ideal for employees using multiple devices or working remotely.
• Device CAL – One license per device. Perfect for shared workstations.

If your team works flexibly, a Windows Server 2025 User CAL is recommended. For fixed workplaces, a Windows Server 2025 Device CAL is usually the more cost-effective option.

Why choose Windows Server 2025?

The latest version, Windows Server 2025, offers maximum security, improved performance, and seamless integration with modern cloud and hybrid environments.

• Advanced security features for enterprise networks
• Optimized virtualization and container support
• Seamless cloud integration
• Scalability for growing IT infrastructures

You can also find Windows Server 2025 Essentials and matching access licenses such as Device CALs and User CALs.

Flexible licensing for every business

You can purchase CALs individually or in larger quantities, making them suitable for both small businesses and large organizations.

For existing systems, additional licenses can be added at any time, for example with Windows Server 2019 Core Add-ons.

Older environments also remain supported, for example with Windows Server 2016 Device CALs.

Your advantages at Licensix

• Instant delivery via email after purchase
• Legally compliant license documentation included
• Flexible expansion of your server infrastructure
• Compatibility with all common Windows Server versions

Buy Windows Server CALs online now

Optimize your IT infrastructure with the right access licenses and choose modern solutions such as Windows Server 2025 User CAL or Device CAL.

With the right licensing strategy, you can sustainably improve the efficiency, security, and scalability of your entire network.