_best_: License Key Not Available Wincc Logging For Runtime Advanced Work
Since Siemens officially requires a purchased license to legally run WinCC Logging for Runtime Advanced, this guide focuses on identifying the cause of the error and official troubleshooting steps to ensure your existing licenses are being read correctly.
The "Ghost in the Machine": Solving the License Key Not Available Error in WinCC Logging (Runtime Advanced)
If you have ever stared at the alarm buffer of a Siemens HMI, wondering why your data logs look like Swiss cheese—full of holes—you might have met the silent killer of industrial data integrity: The missing license key. Since Siemens officially requires a purchased license to
- Ensure that WinCC and Runtime Advanced are updated to the latest version.
- Verify that the software versions are compatible with the license key.
Troubleshooting Steps
Verify in ALM: Open the Siemens Automation License Manager (ALM) on the target PC. Ensure that WinCC and Runtime Advanced are updated
If you're in Alex's shoes, here is the story of how to clear that error. The Mystery of the Missing Key Troubleshooting Steps Verify in ALM : Open the
Solution 2: Reduce Project Scope (The "Cost-Saving" Fix)
If you did not intend to use heavy archiving, or if the logging is not critical, you can modify the project to fit within the standard Runtime license limits. Standard Runtime licenses often include limited archiving capabilities (often limited by the number of archived variables).
As a result, data logging stops, and historical trends or alarm records are unavailable.
