Getting License Manager Error -16

2021 9 21
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更新时间：2024 9 10
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Dear support,
I'm getting the License Manager Error -16. This occurs when I start Matlab on my local PC.
This error is already descibed here:
Why do I receive License Manager Error -16? - MATLAB Answers - MATLAB Central (mathworks.com)
However, the posted answer dosn't solve the issue for me. The answer states that the path specifying the mlm.exe file location (in the license.dat file) needs to be corrected. I've checked (and re-checked) this file path and all seems good, so I'm getting something else wrong.
Hope you guys can help
Cheers
-Kenn

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Walter Roberson
Walter Roberson 2021-9-21
Why are you using a license manager on your local PC ?
Kenn Tornslev
Kenn Tornslev 2021-9-21
Sorry, I'm running Matlab on my local PC and that is where I see the error message. The license server is running on a server.
Walter Roberson
Walter Roberson 2021-9-21
The error is with the MLM path in the license configuration on the server
Kenn Tornslev
Kenn Tornslev 2021-9-21
Hi Walter and thanks!
Yes, this is what I assume too. The license.dat file on the server has this line:
DEAMON MLM "C:\Program Files\MATLAB\R2021a\etc\win64\mlm.exe"
and when I navigate to this location on the server I find the mlm.exe file.
Thus, the path is correct - I'm getting something else wrong.
Optinally the DEAMON line could also state a port - I don't know if that could help?
Cheers
-Kenn
Walter Roberson
Walter Roberson 2021-9-21
must be DAEMON not DEAMON
Kenn Tornslev
Kenn Tornslev 2021-9-21
Sure, thanks!
The license file does read DAEMON - was just a typo on my behalf.
Kenn Tornslev
Kenn Tornslev 2021-9-22
Yes, I've been using the lmtools program. Also, just now I ran the lmutil lmstat command as described in the example. It produces the same result as the "Perform Status Enquiry" button in lmtools as far I can see:
lmutil - Copyright (c) 1989-2018 Flexera. All Rights Reserved.
Flexible License Manager status on Wed 9/22/2021 07:28
[Detecting lmgrd processes...]
License server status: 27000@dkba-srm
License file(s) on dkba-srm: C:\Program Files\MATLAB\R2021a\etc\license.dat:
dkba-srm: license server UP (MASTER) v11.16.2
Vendor daemon status (on dkba-srm):
MLM: UP v11.16.2
Feature usage info:
Users of MATLAB: (Total of 1 license issued; Total of 0 licenses in use)
Users of Image_Toolbox: (Total of 1 license issued; Total of 0 licenses in use)
Users of Signal_Toolbox: (Total of 1 license issued; Total of 0 licenses in use)
Everything here looks ok to me. Is there anything else I need to check on the server side?
Walter Roberson
Walter Roberson 2021-9-22
Nothing comes to mind at the moment. You should probably contact Mathworks for free installation support.
Kenn Tornslev
Kenn Tornslev 2021-9-22
Sure, will do. Thanks for all your help!
William
William 2024-9-10
This is still an issue for us as well

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