: If the license is listed but marked defective, use the License > Repair option in ALM as an Administrator, or contact Siemens Technical Support for restoration.
Alex was confused because they already had a valid "WinCC Runtime Advanced" license. However, Alex soon learned that WinCC Runtime Advanced follows a different licensing concept than SIMATIC Comfort Panels: The "Ghost in the Machine": Solving the License
, checking the box for "GMP" or "Audit Trail" often triggers additional license requirements. Core Cause: The License Gap Corrupted Licenses :
The error message typically occurs when a project configured with data or alarm logging is running on a PC-based station without the specific "Logging" option license. Core Cause: The License Gap The "Ghost in the Machine": Solving the License
: If the PC experienced an improper shutdown or power failure, an existing license may be marked as "defective" in the [Automation License Manager (ALM)](siemens.com (alm)-download?dti=0&lc=en-WW "Download Siemens ALM"). Step-by-Step Solutions 1. Identify the Exact Missing License