The screen might load, but your trend views are empty, your alarm logs are silent, and that sinking feeling in your stomach sets in. You have a license—so why is the system refusing to work?
| Product Description | Order Number (MLFB) | | :--- | :--- | | | 6AV2105-0EA02-0AA0 | | Powerpack "Logging" for WinCC Runtime Advanced (512 tags) | 6AV2105-0EA02-0AA5 | | Powerpack "Logging" for WinCC Runtime Advanced (2048 tags) | 6AV2105-0EA02-0AA2 | | WinCC Runtime Advanced 4096 + Logging (full bundle) | 6AV2103-0DA02-0AA0 | The screen might load, but your trend views
. Even if you have a 512 PowerTag license, you still need a separate WinCC Logging for Runtime Advanced license to archive tags or alarms. Troubleshooting the Error Even if you have a 512 PowerTag license,
While WinCC Runtime is running (with the error displayed), press . This opens the "Legal Info" dialog in many Siemens HMIs. It lists exactly which licenses are found and which are missing. If "WinCC Logging for Runtime Advanced – Required: 1, Found: 0" appears, you have confirmed the issue. It lists exactly which licenses are found and
You may have a license for "WinCC Professional" or "Comfort" which is not compatible with "Runtime Advanced."
To resolve the "License Key Not Available" error for WinCC Logging for Runtime Advanced Link, follow these troubleshooting steps: