License Key Not Available Wincc Logging For Runtime Advanced Link Jun 2026

When starting or using SIMATIC WinCC (Runtime Advanced) logging, you see an error like:

If the license is missing from ALM, you must acquire it from Siemens.

The "link" in the error message refers to the project linking to the correct license feature. When starting or using SIMATIC WinCC (Runtime Advanced)

: If the license shows up in ALM but is red or marked as defective, use the "Check" function in ALM or contact Siemens Industry Support to restore it.

Step 1: Verify the License Status in Automation License Manager (ALM) Step 1: Verify the License Status in Automation

To resolve the "License Key Not Available" error for WinCC Logging for Runtime Advanced Link, follow these troubleshooting steps:

By ensuring the dedicated logging add-on license is accurately matched to your TIA Portal version and properly transferred to the local station, you can eliminate this runtime error and ensure continuous, uninterrupted data acquisition. Use Automation License Manager : Open the Siemens

service starts automatically and triggers its own license warning even if not used; disabling this service can clear irrelevant popups. How to Resolve It Purchase the License WinCC Logging for Runtime Advanced (e.g., MLFB 6AV2107-0GA00-0BB0). Use Automation License Manager : Open the Siemens Support site

Before buying new software, check what is currently installed on the target PC.

Step 2: Check License Status in Automation License Manager (ALM)