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Zemax license visible but unavailable after Windows update

  • 20 January 2022
  • 6 replies
  • 134 views
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IT services in my institution had to update Windows on my PC. I am an end user in a shared network perpetual license. However, although the HASP reads Okay and I can see the license in the license manager, on starting up optic studio I get an error message stating that no license was found. When reviewing similar questions I see people recommended to transfer the license, however I did not do this and would like to resolve this issue. 

 

Your help would be greatly appreciated. 

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Best answer by Don Dickinson 22 January 2022, 18:46

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Greetings,

 

Odd issue, normally Windows security updates don’t affect the license. They didn’t upgrade you from Windows 10 to 11 or something did they?

You cannot transfer the license since it’s a network license and activated on the server rather than your machine. Can you share a screenshot of the “view license” section in Zemax license manager? Also, please click “details” or the license number on that same screen in the license manager, and attach a screenshot of the details as well.

 

Thanks! 

Don D

 

 

 

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On closer inspection looks like the license I was trying to use support ended last year. That must be what happened? I’ll check this with IT purchasing.

 

Apologies

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What’s the license number you are accessing? It may still work even if support expired, though you would have to use an older version of Opticstudio if that is the case

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Thanks, screenshots with the license key and error message attached. 

 

If I just have to use an older version of opticstudio then that’s no problem.

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Ok thanks!

I looked that license up. It actually was renewed and support doesn't expire until June 2022 . Apparently nobody applied the update on your end.

You will need to find some one there with access to the license server machine called JMUDAS6 . They just need to log in to that machine and launch the zemax license manager. It will automatically retrieve the update. 

​​​​​​In the meantime until that's done you could install a release of opticStudio from may 2021 or older and it will work.

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Thanks Don,

 

I found the person with access to the license server and got them to launch the zemax license manager to apply the update. 

It worked after that. 

All the best,

Éamonn

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