Why is this needed?
Because in case of an corrupt SD card image you need the possibility to restore the license (after new install if Raspberry Pi)
Different processes (e.g. loss of power) can lead to a corruption of the file system of the Raspberry Pi. To back up the license the following proceeding is recommended:
Backup of the license
1. Activation of the license (as described above)
2. Reboot of the Raspberry Pi
3. Backup of the license file on an external storage device
To safe the license file: 3SLicenseInfo.tar which you will find in the 'backup' directory on the Raspberry Pi (accessible in CODESYS File Browser via double-click on the device under the tab “Files”).
Store the content of the folder („3SLicenseInfo.tar“) to your computers harddiskAttention: this backupfile should have a file size of around 130kb-140kb in case of a valid backup!!Back to FAQ overview Attention new:
Backup of the license by CMLicenseNew.WibuCmRaU File. (easyier Backup method)