: If you already have the license but still see the error, open the Automation License Manager and check if the key is marked as "defective". This can happen if the IPC/PC was shut down improperly without closing the Runtime first.
几个常见的“隐形触发源”会无意间开启 WinCC 的 Logging 需求： : If you already have the license but
：好消息是，Logging 许可证是 版本无关 （versionless）的，这意味着你不需要在每次 TIA Portal 升级时都购买新的 Logging 许可。购买一次 Logging 许可证，即可在后续版本的 Runtime Advanced 中持续使用。 WinCC License DEMO Mode: Troubleshooting Fix | Siemens
: This combined license covers both logging and recipe functions and is available from retailers like Electricals Shop. WinCC License DEMO Mode: Troubleshooting Fix | Siemens : If you already have the license but
If you are certain you have a full "Runtime Advanced" license but still see the error, follow this structured workflow.
If logging is intentional, you must check what licenses are currently visible to the operating system.