per user or per device

Should we choose Per User licensing or Per Device licensing?

A device license is issued to a device that gets the per device TS CAL from the TS, which is stored in it's registry. Per Device TS CAL is licensing for a certain days, assuming that the device consistently connects to the terminal server in this period days. If the device doesn't connect to the terminal server in the certain days, for example 90 or 120 days, then the licensing server will assume that the device is no longer in user and the TS CAL will be returned to your main licensing pool for reassignment.

Comparing with Per Device, Per User is more flexibility. For example, if a user logs on to more than one client computer, they use one User CAL. The User CAL is not stored in the registry on the client computer the way that a Device CAL is.

The basic rule is "If you have more devices than users (for example with roaming users), choose per user. If you have more users than devices, choose per device".

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