Why do I receive MathWorks Licensing Error 13?
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Why do I receive the following error:
MathWorks Licensing Error 13
A licensing error occurred while trying to use <PRODUCTNAME>.
The license file you are using is missing the required SERVER and USE_SERVER lines.
Contact your system administrator to get the correct license file and reactivate your license on this machine.
Accepted Answer
MathWorks Support Team
on 10 Dec 2025
Edited: MathWorks Support Team
on 10 Dec 2025
0 votes
This error indicates that the SERVER and/or DAEMON lines are missing from the license file.
The SERVER and DAEMON lines are added to the "license.dat" file when the network license manager is installed. These lines should appear just before the INCREMENT lines in your license.dat file.
If you need to add these lines to your license file, please see the following article for instructions:
How do I manually configure my network license file for the Network License Manager?
NOTE: Once you have made changes to your license file, be sure to restart the license manager for these changes to take effect. For more information on how to restart the license manager, see the following Related Articles:
How do I start or stop the Network License Manager?
2 Comments
Jan
on 31 Dec 2013
Edited: David Cabral
on 17 Jan 2017
The links in this answer are all dead. Please format the text properly, such that the < and > characters appear without an interpretation. A link to "Solution 1-18PYZ" would be useful. Thanks.
Walter Roberson
on 7 Mar 2023
network.lic files go on the client machine, and do not have INCREMENT lines. The INCREMENT lines go in the network.dat file on the server.
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