Licenses the core operation based on the number of external tags used.
┌────────────────────────────────────────────────────────┐ │ Why the Error Happens │ └────────────────────────────────────────────────────────┘ │ ┌───────────────────┴───────────────────┐ ▼ ▼ [Hardware Misalignment] [License Defect/Corruption] - Logging on PC Runtime requires - Unclean system shutdowns an add-on license. (power cuts, force quits). - Physical HMI panels do NOT - License remains locked or require this license. gets corrupted in ALM. 1. Missing Optional Packages
: Sometimes the SmartServer service starts automatically and triggers a separate license prompt. You can disable the CoRTSmartServer service in Windows Services if it's not being used. Licenses the core operation based on the number
WinCC Runtime Advanced includes a 7-day trial for all features, including logging. After 7 days, logging stops.
: Enabling "Good Manufacturing Practice" (GMP) or Audit Trail options automatically triggers a logging requirement because these features rely on system-level logging. You can disable this in Runtime Settings > Good Manufacturing Practice to remove the license requirement. SmartServer Service - Physical HMI panels do NOT - License
: If an Industrial PC (IPC) shuts down improperly (e.g., power failure), the license may not be released correctly and can be marked as "defective".
Is this error happening on your or a deployed client PC ? Share public link To eliminate the error permanently
Siemens licenses are tied to specific article numbers (MLFBs). To eliminate the error permanently, you need to purchase the logging option. The exact part number depends on the software version you are running (e.g., V17, V18, V19). Common examples include: