Installation

Updating the COMSOL License Manager

Solution Number: 1022 Versions: All versions

When starting COMSOL Multiphysics, I receive this error message: Could not obtain license for COMSOL Multiphysics GUI. License error: -25 License server system does not support this version of this feature ...


License borrowing

Solution Number: 1016 Versions: All versions

How do I borrow license keys on a Floating Network License or a Class Kit License? License borrowing means that you can use COMSOL (for a limited time) with a Floating Network License (FNL) or a Class Kit license (CKL) ...


Troubleshooting graphics issues

Solution Number: 933 Versions: All versions

I am experiencing graphics issues in COMSOL Multiphysics, what can I do about it? This entry is meant as listing general strategies when experiencing graphics issues in COMSOL Multiphysics. More problem-specific fixes ...


Obtaining a HostID for licensing

Solution Number: 828 Versions: All versions

How do I obtain a HostID for my license file? For many license types in the COMSOL product family, your COMSOL sales representative will ask you for some information in order to create installation codes. COMSOL uses ...


Could not obtain license for COMSOL Multiphysics GUI

Solution Number: 903 Versions: All versions

Any of the following errors can appear for example if the COMSOL application has problems communicating with the license manager: License error: -15. Cannot connect to license server system. License error: -96. ...


What hardware do you recommend for COMSOL Multiphysics®?

Solution Number: 866 Versions: All versions

I am going to buy a new dedicated computer for running COMSOL Multiphysics®. What hardware do you recommend? Due to the wide range of different problem types that COMSOL Multiphysics® solves, the rapid pace of ...


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Learning Center Resources

Learn how to use the COMSOL Multiphysics® software for modeling devices, designs, and processes. Access the Learning Center courses and articles below for modeling guidelines, step-by-step demonstrations, and exercise files.

Articles