Metrohm viva 1.0 Installation User Manual
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7 Adding additional licenses with Windows Vista
or newer
General
Since Windows Vista, Microsoft has introduced the UAC (User Account Con-
trol), which permits running tasks either as non-administrator or as administra-
tor (without changes of user, switching off or similar).
This function can, however, cause difficulties with client-server installations of
viva.
Problem description
One would like to add additional licenses for the program; the license code for
an additional 5 licenses, for example, is added (on the server) in the program
part Configuration in the dialog window Program administration (accessi-
ble via menu item Tools
▶ Program administration..., tab Licenses).
The file license.mlic, which contains the standard license code and the addi-
tional license codes, is stored in the bin directory of the program installation
(C:\Program Files\Metrohm\viva\bin).
If one adds the 5 licenses and then looks at this file license.mlic, only the
standard license code will be listed (for 3 licenses).
If one highlights the file license.mlic and presses Compatibility files in the
bar, then one will arrive in the directory C:\Users\'User'\AppData\Local\Vir-
tualStore\Program Files\Metrohm\viva\bin ('User' being the abbreviation
(UID) for the user logged in on the operating system). The file license.mlic
with the license codes for the standard licenses and the 5 newly added licenses
is to be found here, i.e. the additional licenses are stored in the VirtualStore
only for the Windows user who was logged in on the PC at the time the addi-
tional licenses were added.
On the server, the program recognizes all of the licenses; the operating system
adds the file license.mlic from the directory C:\Users\'User'\AppData\Local
\VirtualStore\Program Files\viva\bin to the detail list of the directory C:
\Program Files\Metrohm\viva\bin.
For the client-server functionality of the database server, however, the file
license.mlic in the directory C:\Program Files\Metrohm\viva\bin is rele-
vant, and here only the basic license is listed. Therefore, problems are to be
anticipated when adding additional clients (more than the 3 clients present in
the default settings).