HYDRUS Authorization Methods
HYDRUS is protected against unauthorized use by a Hardware Key (USB dongle - HASP) or Software Key (Activation). The method of protection can be selected at the time of purchase of a user license. Both methods have some advantages and disadvantages.
Verifying the Authorization
Authorization is verified when starting the program. If any failure occurs, a warning is displayed that the program is running in a demo mode, in which HYDRUS is not fully functional, i.e. it is not possible to save data and run the calculation.
Authorization Options
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Desktop / Laptop
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Virtual Computer
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Remote Access (e.g. RD)
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Software Key - Activation
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Yes
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No
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No
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Hardware Key - Local HASP
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Yes
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Yes (1)
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No
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Hardware Key - Network HASP
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Yes (2)
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Yes (2)
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Yes (2)
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(1) HASP has to be plugged into the host computer and the USB port must be connected to the VM
(2) HASP has to be plugged into any computer connected to the LAN
Software Key - Activation
The program activation is a process when the authorization of HYDRUS is based on a unique numerical code, generated for a particular computer and for one-time use. The code is tied to the hardware configuration, i.e. it cannot be used on another computer, or reused on the same computer if the authorization is lost for some reason. Each activation is time-limited (even if you have a permanent license) and must be extended before (or after) its expiration. The time-limited activation was introduced to prevent unwanted consequences resulting from computer crashes and similar hardware problems that require a new activation of HYDRUS without its prior deactivation. The program can be deactivated manually and the license transferred to another computer.
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Hardware Key - USB Dongle
The hardware key is very simple to use and you can easily move the authorization from one computer to another one. You just need to insert this USB device into your computer and HYDRUS will find it automatically. A problem may occur if the hardware key is lost, which can mean the loss of the license. The hardware key can also be shared by computers in network (LAN) and then we talk about “Network license” for N network seats, where “N” is the number of users/computers allowed to run HYDRUS at the same time.
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