- This topic has 2 replies, 2 voices, and was last updated 1 week, 1 day ago by
Saurabh Bedi.
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January 19, 2026 at 10:45 am #90528
Yilong Chen
ParticipantDear Optiwave Support Team,
I am writing to report a licensing issue encountered when launching OptiSystem 23.0.
When I start the application, I immediately receive the following error messages:
“License unavailable. Error #SH207: License not available [51]. Virtualized environment not supported.”
After confirmation, the application terminates with the message:
“Could not obtain license. Terminating application.”
As a result, OptiSystem cannot be launched at all.
Environment details:
Software: OptiSystem 23.0
Operating system: Windows 11
The software is installed on my personal computer
I am not intentionally running OptiSystem inside a virtual machine
However, the error message indicates that the software detects a virtualized environment, which may not be correct in my case. I have attached screenshots of the exact error dialogs for your reference.
Could you please advise:
What conditions may trigger this “virtualized environment not supported” detection?
Whether this issue can be resolved through configuration or license settings?
If additional system information or logs are required from my side?
Thank you very much for your assistance. I look forward to your guidance on how to resolve this issue.
Kind regards,
Yilong Chen
Université Paris-Saclay -
January 19, 2026 at 11:03 am #90553
Saurabh Bedi
ModeratorHello Yilong,
Thanks for reaching us!
In order to debug your issue, I need some more information from you:
1. Have you purchased the OptiSystem license or are you using the evaluation license (for 30-days)? If you have a purchased license, then please share the license serial number.
2. Can you please share the snapshots of the error messages you get? We did not receive it.Can you please share all the above information at support@optiwave.com please. We will take it further from there. In the mean time, we will start looking into the issue you reported.
Best,
Saurabh Bedi. -
January 19, 2026 at 12:06 pm #90554
Saurabh Bedi
ModeratorHello Yilong,
Also, can you please send us the screenshots of the pages:
http://localhost:1947/_int_/features.html
http://localhost:1947/_int_/diag.htmlPlease share these and the above information I asked at support@optiwave.com
Best,
Saurabh Bedi.
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