Troubleshooting (MATLAB Installation Guide for Windows) MATLAB Installation Guide for Windows License Manager Error Messages After a successful installation, you may encounter problems starting MATLAB. Many of these problems have their root in the license manager used by the MathWorks products, FLEXlm. This section provides information about some of the more common license manager errors, listed in this table by error number.

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License Manager Error It can also be helpful to view the FLEXlm log file, lmlog.txt, in the $MATLAB flexlm directory. To get more information about a FLEXlm license manager problem, see the FLEXlm End User Manual, available in PDF format in $MATLAB flexlm enduser.pdf or go to the GLOBEtrotter Software, Inc.

Web site, www.globetrotter.com. Fantasy frontier lost one zero. Note You can also go to the support page on the MathWorks Web site, www.mathworks.com, and find information about a particular license manager error by searching the solution database by error number. For example, to find information about License Manager Error -15, enter 'License Manager Error -15' in the search engine. License Manager Error -2: Invalid License File Syntax This error message typically indicates that there is a problem in your License File.

On client systems, make sure your License File ( $MATLAB bin win32 license.dat) has the following format. • SERVER host hostID port_num USE_SERVER Note that there should be a carriage return immediately following the USE_SERVER line.

License Manager Error -3: Cannot Connect to a License Server This error can occur if the SERVER line in your License File is incorrect or missing. To remedy this error, try the following: • Make sure that the SERVER line in your License File matches the SERVER line in the License File on your license server. On client systems, the License File is $MATLAB bin win32 license.dat; on your license server, the License File is $MATLAB flexlm license.dat, where $MATLAB is the root MATLAB installation directory. Note You must restart the license manager after making any changes to the License File on the license server. Reshebnik k sborniku zadach po matematike bogomolov spo. • Make sure the TCP port number at the end of the SERVER line in your License File is not already being used by another application. On NT systems, run the netstat -p tcp command from C: WINNT system32. If the local system appears on the Foreign Address list, then the port number listed is being used.

Change the port number on the SERVER line to a port that is not being used. FLEXlm has reserved ports in the range 27000 to 27009.

Restart the license manager after making this change. • Make sure that you do not have multiple vendor daemons ( mlm.exe) running. Check your FLEXlm log file ($MATLAB flexlm lmlog.txt) for the error 'Multiple MLM Servers Running'. License Manager Error -5: License Checkout Failed. No Such Feature Exists. This message usually indicates that you are trying to use a product for which you are not licensed.

Check your License File to see if you are licensed to use this product. If you are licensed for this product, this error may be the result of having extra carriage returns in your License File. To avoid this, make sure that each line begins with either #, SERVER, DAEMON, or INCREMENT. Note You must restart the license manager after making any changes to the License File on the license server. This error can also be caused by tab characters in the License File. Remove these tabs and replace with them spaces.

This error may also be the result of an incorrect system date. If your system date is set before the date that your license was made, you will get this error.

See to learn how to reset the system date. License Manager Error -8: Invalid (Inconsistent) License Key This error message typically indicates that your License File, $MATLAB flexlm license.dat, has been corrupted. This can happen if the License File was edited or if an e-mail program inserted extraneous tabs or carriage returns in the INCREMENT lines. One way to check for extraneous tabs and carriage returns is to open your License File in a text editor and view all nonprinting characters.

Remove all the tab characters and all carriage returns that are not at the end of a line. Check that the contents of your License File matches the license data sent you by The MathWorks. License Manager Error -9: Invalid Host. License Checkout Failed. If you get this error on a system running an individually licensed MATLAB, make sure you are running MATLAB on the same system it was installed on. The MathWorks locks a license to a particular system.