Hello, Community members.
1, My Goal
I would like to restrict launch multiple Mathematica instance on the same host. Could you point me useful documents or tips about this?
I double clicked Mathematica icon twice on the same host.
MathLM reporting that single host is using multiple Mathematica instance.
2, Environment
 
 
 - OS: Windows 10
- Mathematica: 11.2
3, MathLM output
 
Online help is available at
http://reference.wolfram.com/network
MathLM Version: 11.2
MathLM Server: server.name
Date: Tuesday, May 29 2018 23:52:46
License Usage Summary:
Program            License  Total   Total 
                   Class    in Use  Authorized
----------------------------------------------
Mathematica        B        2               60
MathKernel         B        2               60
Sub Mathematica    B        0              480
Sub MathKernel     B        0              480
Licenses in Use:
                              License
Program             Version   Class     Usernaeme   Hostname          Duration
------------------------------------------------------------------------------
Mathematica         11.2      B         User1       host1.example.com    2:31
Mathematica         11.2      B         User1       host1.example.com    2:20
MathKernel          11.2      B         User1       host1.example.com    2:27
MathKernel          11.2      B         User1       host1.example.com    2:18
Best regards.