License Key Not Available Wincc Logging For Runtime Advanced Work !full! May 2026

The error message "License key not available! WinCC Logging for Runtime Advanced" 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

Sm@rtServer: If you receive a license error for Sm@rtServer even if it's disabled, stop the CoRTSmartServer service in Windows Service Manager and set its startup type to Manual. WinCC License DEMO Mode: Troubleshooting Fix | Siemens The error message "License key not available

  • If you have multiple HMIs, invest in an ALM Network Server. You can host licenses on one server and point all Runtime PCs to it, avoiding USB dongle confusion.

The error "License key not available! WinCC Logging for Runtime Advanced" occurs because the logging functionality (tag and alarm logging) requires a separate, dedicated license that is not included with the standard WinCC Runtime Advanced powerTags license. Unlike Siemens Comfort Panels, which include logging features for free, PC-based Runtime Advanced stations treat logging and recipes as optional add-ons. Root Causes & Troubleshooting If you have multiple HMIs, invest in an ALM Network Server

and check the status. If it's defective, you may need to contact Siemens Support to have it repaired. Step 3: The "Accidental Feature" Trap The error "License key not available

6. Network/Floating License Check

  • Ensure runtime PC can ping the license server.
  • In ALM, set the license server address under Extras → Settings → Network License.
  • Verify available floating licenses: Network → Show licenses on server.
  • Open the engineering project in WinCC/TA and check required runtime components/features.
  • Compare required features to installed license entitlements.

, checking the box for "GMP" or "Audit Trail" often triggers additional license requirements.

  • License ID/authorization file
  • Runtime machine name, OS version
  • Exact error messages and log excerpts
  • Screenshots of License Manager output