License.lic Matlab |link|

Mastering the license.lic File in MATLAB: The Ultimate Guide to Licensing

Introduction: The Heart of MATLAB Licensing

For millions of engineers, scientists, and researchers, MATLAB (Matrix Laboratory) by MathWorks is the gold standard for technical computing. However, before you can plot a single graph or invert a matrix, you must navigate the often-misunderstood world of MATLAB licensing. At the center of this universe for institutional and professional users lies a seemingly innocuous file: license.lic.

which -all license
% Or view the license path
getenv('MLM_LICENSE_FILE')
getenv('LM_LICENSE_FILE')

Best Practices

  1. Never edit license.lic manually unless instructed by MathWorks support.
  2. Back up your license file before updating MATLAB.
  3. For network licenses: Place the same license.lic (with SERVER line) on all client machines.
  4. Use environment variables (if needed):

    Windows: C:\Users\\AppData\Roaming\MathWorks\MATLAB\R20XXy_licenses. Linux/macOS: /home/$USER/.matlab/R20XXy_licenses. Network/Designated Computer (Installation-wide): license.lic matlab

    SERVER license-server.mycompany.com 123456789abc
USE_SERVER
INCREMENT MATLAB MLM 123 31-dec-2024 1 ...
INCREMENT Simulink MLM 123 31-dec-2024 1 ...
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