Applicable Systems
TwinCAT NC
Symptoms
The TwinCAT license has expired. The system cannot operate in licensed mode.
Possible Causes
- Temporary or time-limited license expired
- System clock was changed affecting license validation
Troubleshooting Steps
- Step 1: Check the license expiry date in the System Manager
License has expired - Step 2: Renew or purchase a permanent license
New license is valid
How to Reset
To reset: Renew the TwinCAT license and restart the system service.
Source: Beckhoff TwinCAT System Manual, Beckhoff Automation
Category: PLC & VFD