License Key Not Available Wincc Logging For Runtime Advanced Work !!exclusive!! Access

如果你以前用过西门子的 SIMATIC 面板（比如 Comfort Panel 或 Multi Panel），你可能会觉得：Logging、归档、配方这类功能难道不是“自带”的吗？在 SIMATIC 面板中，情况的确如此，基础选项如 Logging 和配方已经包含在内，无需额外授权。

: 6AV2107-0GA00-0BB0 (USB flash drive) or 6AV2107-0GA00-0BH0 (Download).

The "License Key Not Available" error in Siemens TIA Portal is a frequent hurdle for automation engineers. This specific warning triggers when you start a WinCC Runtime Advanced application that includes historical data logging, but the system cannot validate the required automation license manager (ALM) keys.

If you purchased only the base runtime, you will receive this error as soon as you attempt to create a historical trend or log a variable. 2. Troubleshooting Steps: Why is the License Missing? If you purchased only the base runtime, you

: The correct license was purchased and loaded, but improper PC shutdown (such as an abrupt power outage on an IPC) left the license flagged as "defective" within the ALM registry.

(If using the Audit/GMP option, as it relies on system logging) How to resolve it

Insert the Siemens License USB dongle into the Runtime PC, or log into the platform via ALM. Open Automation License Manager . : The correct license was purchased and loaded,

If an IPC is shut down abruptly (like a power failure) instead of a controlled Windows shutdown, the active license can be marked as "defective" in the ALM. Automation License Manager

If the basic troubleshooting steps do not resolve the issue, try the following advanced steps:

The most common cause is missing the specific logging option license required for PC-based runtimes. If you purchased only the base runtime, you

Ensure the Windows user account running the WinCC Runtime belongs to the Siemens TIA Engineer or Administrators local Windows group. Restricted user accounts occasionally lack the privileges required to query the ALM service registry.

Open the on your engineering PC or runtime target.