This error is one of the most frustrating roadblocks for automation engineers using Siemens WinCC (TIA Portal). It indicates a mismatch between what your project demands and what your license authorizes. This article will dissect exactly why this error occurs, how to identify the missing license, and the step-by-step solutions to restore your logging functionality.
Let’s tackle this step by step. We will start with the most common causes and move to more specific technical checks.
. Unlike Comfort or Mobile panels, PC-based Runtime Advanced stations require a dedicated WinCC Logging license to enable these features. Siemens SiePortal Why This Error Appears Missing Add-on License : The base license (e.g., WinCC Runtime Advanced 512 PowerTags ) only covers basic HMI functions. If you configure any Alarm Logs in TIA Portal, you must also purchase and install the WinCC Logging for Runtime Advanced Improper Shutdown (Damaged License)
Corrupted license files or registry errors can cause this.
Note: Always back up your projects and licenses before performing this step.
: This is a separate, additional license required specifically for Tag Logging and Alarm Logging on PC-based systems. Alex's Troubleshooting Checklist
Rarely, security software or virtual network adapters block the communication between TIA Portal and ALM.
If you already own the license but it shows a or doesn't work:
If you have purchased a license but are receiving the "License key not available" message, follow the troubleshooting steps below.
: Running a simulation of an Advanced PC station on an Engineering PC will trigger this warning if the engineering station lacks the specific logging license key. Siemens SiePortal How to Fix the Error WinCC Advanced Runtime and license - SiePortal
that is not included with the standard WinCC Runtime Advanced powerTag license Siemens SiePortal Core Cause of the License Error