Why am I receiving license manager error -92?

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Why am I receiving license manager error -92?
License Manager Error -92: feature removed during lmreread, or wrong SERVER line hostid

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 28 Feb 2019
This error message indicates that there is a problem with the license.dat file on the machine running the network license manager. The cause of this error may be due to one of the following:
1. The HostID for which the license.dat file was generated is not the HostID of the license server machine
2. Missing, corrupt, or incorrect characters in the license.dat file itself
The license.dat file on the server machine is located in:
$MATLABROOT/licenses
(where $MATLAB is the MATLAB installation directory)
Please check for the following:
1. Please check and make sure that the hostid specified in the license file matches the machine's hostid. 
NOTE: Changing the hostID listed in the commented section of the license file will not resolve the error. If your hostID is incorrect, you will need to obtain a new license file generated for the correct hostID.
2. This error may be the result of having extra carriage returns in your license file. In order to avoid this, ensure that the following strings all begin on a left justified line: #, SERVER, DAEMON, or INCREMENT. Sometimes an INCREMENT line can get wrapped on the end of the preceding INCREMENT line causing it to be omitted.

More Answers (1)

MathWorks Support Team
MathWorks Support Team on 3 Sep 2010
This error message indicates that there is a problem with the license.dat file on the machine running the license manager. The cause of this error may be due to one of the following:
1. The HostID for which the license.dat file was generated is not the HostID of the license server machine
2. Missing, corrupt, or incorrect characters in the license.dat file itself
The license.dat file on the server machine is located in:
$MATLABROOT/etc ($MATLAB\flexlm for releases prior to R2010b on Windows)
(where $MATLAB is the MATLAB installation directory)
Please check for the following:
1. Please check and make sure that the hostid specified in the license file matches the machine's hostid. For more information on obtaining your hostid, please see related Solution 1-171PI.
NOTE: Changing the hostID listed in the commented section of the license file will not resolve the error. If your hostID is incorrect, you will need to obtain a new license file generated for the correct hostID.
2. This error may be the result of having extra carriage returns in your license file. In order to avoid this, ensure that the following strings all begin on a left justified line: #, SERVER, DAEMON, or INCREMENT. Sometimes an INCREMENT line can get wrapped on the end of the preceding INCREMENT line causing it to be omitted.

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