License manager version required for R2019b

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Hi, we are currently on v11.16.2. When I go to the license file download page, I get a message that tells me I need to upgrade my license manager. The link at that page takes me to a page to download 11.16.2.1. Is that version of license manager required for matlab R2019b? I do not wish to change the license manager unless it is required for the latest version.
thanks,
Kazi Anwar
Northwestern University

Answers (3)

Sahithi Kanumarlapudi
Sahithi Kanumarlapudi on 4 Nov 2019
You can contact the MathWorks support team to help you solve this issue

Andrew
Andrew on 13 Dec 2019
Did you ever get an answer to this question? We also have problems using an older license server with a newer license file. It worked (and still works) fine for Matlab R2019a but we cannot start Matlab 2019b despite upgrading the license file.

Kristian
Kristian on 6 Jan 2020
Hi,
Same problem here.
New MLM vendor daemon, new FlexLM lmgrd/lmutil 11.16.2.1 and new R2019b licensefile, but no go.
(lmgrd) MLM exited with status 1 signal = 17
(lmgrd) Since this is an unknown status, license server manager will attempt to re-start the vendor daemon
and it just keep repeating itself.
If I do an lmstat I get "Network connect to THIS_HOST failed (-95, 378).
Had to rollback to earlier version R2019a :/
  2 Comments
Kristian
Kristian on 18 Jan 2020
Ok.
I have now solved my problem.
The new MLM vendor-daemon is not compatible with RHEL7.7 (the docs say its compatible with RHEL7.3 and higher).
The incompability is due to RHEL7.7 does not provide the correct minversion of libstdc++. Rhel 7.7 provides GLIBCXX_3.4.19 but MLM requires GLIBCXX_3.4.20 and GLIBCXX_3.4.21.
The required file is contained in the download in /sys/os/glnx.
So:
$ sudo vi /etc/ld.so.conf.d/matlab_mlm.conf
add (correct to the path were you have your libstdc++.so.6/libstdc++.so.6.0.22 files)
/opt/matlab/sys/os/glnx64
do:
$ sudo ldconfig
and restart the whole thing and you should be good to go with MLM: UP v11.16.2
Kristian

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