Microsoft

Microsoft R18-06412 Windows Server 2022 Device CAL

Name: Microsoft R18-06412 Windows Server 2022 Device CAL
Brand: Microsoft
SKU: R18-06412

Microsoft Windows Server 2022 Device CAL provides genuine, compliant access licensing for shared devices connecting to your Windows Server environment.

$39.99*

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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The Microsoft Windows Server 2022 Device CAL (Client Access License) is a required licensing component for any device that connects to a Windows Server Standard or Datacenter environment. Unlike the server operating system license itself, which covers the right to run the server software, CALs authorize individual devices to access server services and resources. This Device CAL model is designed for scenarios where a single device — such as a shared workstation, point-of-sale terminal, or lab computer — is used by multiple people, making it more cost-effective than purchasing individual User CALs for every person who sits at that machine.

A key advantage of the Windows Server 2022 Device CAL is its backward compatibility: it grants access not only to Windows Server 2022 but also to Windows Server 2019 and all prior versions. This simplifies license management for organizations running mixed server environments during migration periods. As a genuine Microsoft license, it ensures full compliance with Microsoft's licensing terms, maintaining eligibility for support and avoiding audit risks. Organizations should assess their access patterns carefully — if employees typically access servers from multiple personal devices, User CALs may be the more economical choice.

Key Features

CLIENT ACCESS LICENSES (CALs) are required for every User or Device accessing Windows Server Standard or Windows Server Datacenter

WINDOWS SERVER 2022 CALs PROVIDE ACCESS to Windows Server 2019 or any previous version.

A DEVICE CLIENT ACCESS LICENSES (CAL) licenses devices shared by several users for access to services on Windows Server Standard and Datacenter editions.

GENUINE WINDOWS SERVER SOFTWARE IS BRANDED BY MICROSOFT ONLY.

Specifications

Brand

Microsoft

Model / Part Number

R18-06412

Product

Windows Server 2022 Device CAL

License Type

Client Access License (CAL)

License Model

Device CAL

Server Compatibility

Windows Server 2022, 2019, and all previous versions

Edition Compatibility

Standard and Datacenter

Pros & Cons

👍 Pros

Backward compatible with Windows Server 2019 and all prior versions, reducing licensing complexity during upgrades.
Covers access to both Windows Server Standard and Datacenter editions with a single CAL.
Device-based licensing is cost-effective for shared workstations, kiosks, or lab computers used by multiple people.
Genuine Microsoft license ensures full compliance and support eligibility.

👎 Cons

Only licenses one device — organizations with many endpoints will need to purchase CALs individually for each.
Device CAL model is less economical than User CALs when individual employees use multiple devices.
Does not include the Windows Server operating system itself, which must be licensed separately.
No physical media or digital download included — this is an access license only.

Frequently Asked Questions

What is the difference between a Device CAL and a User CAL?

A Device CAL licenses a specific device (such as a shared workstation or kiosk) for access to Windows Server, regardless of how many users operate that device. A User CAL licenses a specific person to access the server from any number of devices.

Does this CAL work with older versions of Windows Server?

Yes, a Windows Server 2022 Device CAL provides access to Windows Server 2019 and all previous versions, offering backward compatibility across your server infrastructure.

Do I need this CAL if I already have Windows Server 2022 installed?

Yes. A Windows Server license covers the server operating system itself, but every device or user that accesses the server also requires a separate CAL. They are not included with the server license.

Does this CAL cover both Standard and Datacenter editions?

Yes, this Device CAL provides access to both Windows Server Standard and Windows Server Datacenter editions.

Is this a one-time purchase or a subscription?

This is a perpetual one-time purchase license, not a subscription. Once acquired, it does not expire or require renewal.