License Key Not Available Wincc Logging For Runtime Advanced Work Jun 2026
In WinCC Runtime Advanced (and Professional), the licensing for logging isn't a simple "On/Off" switch. It is a .
Download the updated project to the Runtime PC. The error message will disappear, but keep in mind that historical data will not be saved during this period. Summary of Required Licenses for Runtime Advanced
If these steps do not resolve the issue, please provide details about your specific WinCC version and the exact actions you performed so that further, more specialized assistance can be offered. In WinCC Runtime Advanced (and Professional), the licensing
: The correct license was purchased and loaded, but improper PC shutdown (such as an abrupt power outage on an IPC) left the license flagged as "defective" within the ALM registry.
: A corrupted ALM database (e.g., almdb.sdf ) can prevent proper communication with your licenses. This is often resolved by clearing the database cache. The error message will disappear, but keep in
Look in the left navigation tree for your license storage location (e.g., your computer's hard drive or a connected USB dongle). In the right pane, look for the following:
The message appears because WinCC Runtime Advanced requires a separate, additional license to perform any historical data logging . Why this happens : A corrupted ALM database (e
If you have successfully transferred the license but are still receiving the "license key not available" error, the issue usually stems from a background communication failure or service timeout. Try these troubleshooting steps: 1. Perform a License Key "Check"
Moving forward, keep these best practices in mind:
Under the hood, the WinCC Licensing Manager is performing a routine check. When your project calls for a Logging function that requires a license not found on the system, the manager triggers this alert. It might appear right at the start or pop up periodically to remind you of the unlicensed function being accessed.