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Each user or device that accesses a licensed Windows Server requires a Windows Server Client Access License (CAL) or a Windows Server and a Remote Desktop Services (RDS) CAL.
With the Remote Desktop Services (RDS), which are one of the multi-layered Windows Server 2022 features, you can access graphic desktops and Windows applications remotely. However, so-called Client Access Licenses (CALs) are indispensable for access to a remote desktop session host. When you buy a Microsoft Remote Desktop Services 2022 Device CAL, you can authorize a specific device to establish a connection. The licensed client device can be used by any number of users. In particular, PCs that are used by several users due to shift work are predestined for the use of Microsoft Remote Desktop Services 2022 Device CAL. With the outsourcing of programs to a server, hardware upgrades for client devices are unnecessary, even if the applications involved are computationally intensive, since only the performance of the server is decisive. This helps to save costs to a considerable extent.
Microsoft's licensing model If you use Windows Server, you don't just have to license the actual operating system. In addition, it is necessary to purchase a license for each individual user or for each end device used. This also applies if you are using RDS. You therefore need a so-called Windows Server CAL for this. The term CAL stands for Client Access License. You have two different options: You can license either the individual users or the individual devices.
Windows Server 2022 RDS Device CAL: With a Device CAL, you purchase a CAL for every device that accesses your server, regardless of the number of users who use that device to access the server. Device CALs may make more economic and administrative sense if your company has workers who share devices, for example, on different work shifts. Purchasing a Device CAL might make more sense if your company's employees need to have roaming access to the corporate network. This can help different uses access the networking device only from the organizations premises or only recognized devices for security purposes.
Windows Server 2022 RDS User CAL: With the Windows Server 2022 User CAL, you need to purchase a CAL for every user. Users will use the CAL to access the server to use services such as file storage or printing, regardless of the number of devices they use for that access. Ideal for employees with many devices in some companies, employees have a large number of terminals. Purchasing a User CAL might make more sense if your company's employees need to have roaming access to the corporate network. This can help your access the networking using multiple devices, or from unknown devices, or if you simply have more devices than users in your organization. If the number of devices used is significantly higher than the number of users, it makes sense to purchase a Windows Server 2022 RDS User CAL. It is only necessary to license each user once to access the windows server.
