I had to reinstall my Raspberry Pi OS and lost the installed Codesys license in the process.
I tried to activate the same license on the same device after the reinstall, but it didn't work.
Is there a way to get back this license or is it lost ?
this must work, did you try with your backup file of the license:
This you find here
XXXXX-XXXXX-XXXXX-XXXXX-XXXX -> is your license ticket number
000000002d676080 - is your serialnumber of your PI ( you see this number if you do a cat /proc/cpuinfo - or Raspberry PI update tool -> System info
Thank you, it worked with the backup file
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