Microsoft R18-06466 Windows Server 2022 User CAL 5-Pack

The Microsoft Windows Server 2022 User CAL 5-Pack (R18-06466) provides Client Access Licenses for five users to legally access services running on Windows Server Standard or Datacenter editions. In Microsoft's licensing model, every user or device that connects to a Windows Server requires a CAL, making these licenses a fundamental compliance requirement for any organization running Windows Server infrastructure. The User CAL variant is designed for environments where individual employees access the server from multiple devices — a single User CAL covers that person across their desktop, laptop, tablet, and phone.

These CALs are backward-compatible, meaning they grant access not only to Windows Server 2022 but also to Windows Server 2019 and all previous versions. This makes them a practical choice for organizations with mixed-version server environments or those planning a phased upgrade. As OEM licenses, they are genuine Microsoft software and are sold as a one-time purchase with no ongoing subscription costs. Organizations should note that these CALs only grant access rights — a separate Windows Server Standard or Datacenter license is still required for the server operating system itself. For environments with more than five users, additional packs can be purchased and stacked as needed.