Article - CS343197
Error "(-83) License Server is not compatible. Please set license source to FLEX server version 11.19 or higher" occurs while launching Flexnet based applications
Modified: 04-Aug-2026
Applies To
- Creo Parametric 8.0 to 13.4
- Mathcad Prime 7.0 to 12.0
- PTC Product View (Formerly Creo View) 9.1 to 12.1
- PTC Illustrate (Formerly Creo Illustrate) 8.1 to 12.1
Description
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Error "(-83) License Server is not compatible. Please set license source to FLEX server version 11.16 or higher" occurs while launching application
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Error "(-83) License Server is not compatible. License server is not compatible. Please set license source to version 11.9 or higher" while launching Creo Parametric 10.0
- Creo 8.0 is not starting after updating License Server with new license file
- Mathcad Prime 8.0 does not start even after updating License Server with new license file
- Error (-140) Bad message command occurs while launching application
- Getting error message License request failed for feature XXX:
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(-83) License Server is not compatible. License server is not compatible. Please set license source to version 11.9 or higher when launching the application
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