Microsoft SQL Server Device CAL 2017 Volume licence
Microsoft SQL Server Device CAL 2017 is a client-based access license for Microsoft SQL Server 2017.
Contrary to user CALs (user licenses), Microsoft SQL Server Device CAL 2017 provides a device with access to SQL Server. This solution is ideal for multiple users looking to access the same device.
Microsoft SQL Device CAL 2017 is downgradable. For example, you can run it in combination with Microsoft SQL Server 2016.