Problem Description
I just received the new installation package and installed COMSOL including the new license manager files for my Class Kit option License file (CKL). When I start COMSOL I get one of these error messages:
Could not obtain license for COMSOL Multiphysics GUI.
License error: -18.
License server system does not support this product.
License server system does not support this feature.
Feature: COMSOLGUICKL
or
Could not obtain license for COMSOL Multiphysics GUI.
License error: -5.
No such product exists.
No such feature exists.
Feature: COMSOLGUICKL
Solution
Start the COMSOL application with the classkit option
A reason for the error message can be that you started the COMSOL application without the classkit option enabled. The default installation of COMSOL should lead you right from the beginning, but the desktop icons may have been altered by some user after installation. Here is how you manually start COMSOL in classkit mode:
Windows
To use the classkit license, start COMSOL with the shortcut named (Classkit License) COMSOL Multiphysics:
Sometimes it is necessary to create the COMSOL shortcuts manually, for example when COMSOL is installed on a shared network drive. In these cases, add the options below to the shortcut's Target comsol.exe. The complete target should look something like this for 64-bit Windows:
"C:\Program Files\COMSOL\COMSOL60\Multiphysics\bin\win64\comsol.exe" -ckl
Here, C:\Program Files\COMSOL\COMSOL60\Multiphysics
represents your COMSOL installation directory.
Linux
Start COMSOL with the -ckl
option in the terminal window:
comsol -ckl
macOS
Access the terminal command the following way:
Launch the Terminal application.
In the Terminal window go to COMSOL's bin folder by typing the command:
cd /Applications/COMSOL60/Multiphysics/bin
Then launch COMSOL by typing the command:
./comsol -ckl
See Also
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