Parameter MAX in mlm.opt file doesn't work

We have a problem with the mlm.opt file. I try to use the MAX parameter to restrict the number of concurrent matlab instances running but it doesnt work. We use a network license. On our license server there is a license.dat and a mlm.opt file.

License.dat:
  SERVER myserver INTERNET=xxx.yyy.zzz.aaa 27000
  DAEMON MLM "C:\Program Files\MATLAB\R2012a\etc\win64\mlm.exe" options="C:\Program Files\MATLAB\R2012a\etc\mlm.opt"
.
.
.

MLM.opt:
MAX 5 MATLAB INTERNET

We have actual 10 concurrent licenses for matlab and also some toolboxes. The MAX parameter settings <10 (e.g. number of 5 licenses) will be ignored. Only more then 10 can`t start Matlab because of error "no license available", which is correct. Is somewhere a typo? I double checked the syntax but i haven't find one. How can I start a debug log to see if the mlm File will be loaded and the "MAX" parameter is used?

mlm.opt file is in the correct path.

License Server Version: v11.14.0

Matlab Versions: 2017a and older

+++++++++++++++++++++++++++++++++
License Server Status inquiry:

    --------
    Status
    --------
    Flexible License Manager status on Thu 8/24/2017 15:57

    [Detecting lmgrd processes...]
    License server status: 27000@lic
        License file(s) on lic: C:\Program Files\MATLAB\R2012a\etc\license.dat:

           lic: license server UP (MASTER) v11.14.0

    Vendor daemon status (on lic):

           MLM: UP v11.14.0
    Feature usage info:

    Users of MATLAB:  (Total of 10 licenses issued;  Total of 8 licenses in use)

      "MATLAB" v37, vendor: MLM, expiry: 01-jan-0000
    +++++++++++++++++++++++++++++++++++

    --------
    Diagnostics
    --------
    FlexNet diagnostics on Thu 8/24/2017 15:59

    -----------------------------------------------------
    License file: C:\Program Files\MATLAB\R2012a\etc\license.dat
    -----------------------------------------------------
    "MATLAB" v37, vendor: MLM, expiry: 01-jan-0000
      vendor_string: vi=0:at=200:ae=1:lu=200:lo=CN:ei=844446:lr=1:ep=60:
      License server: myserver
      floating license  starts: 14-mar-2017,  no expiration date

      Requests from the same USER/HOST do not consume a new license
     .
     .
     .
     .
    ++++++++++++++++++++++++++++++++++

Any idea is appreciated!

Thanks

René

[S Lau]

Tried by myself

MAX 5 MATLAB INTERNET *.*.*.*

also works if you have different IP Ranges.