一个高效的排查流程可以帮你节省数小时甚至数天的时间。按顺序执行以下操作：
Resolving the "License Key Not Available" Error for WinCC Logging in Runtime Advanced
If troubleshooting confirms you genuinely lack the license, you have three purchasing routes. Before clicking through random menus, it is critical
For a (download), the license file must be copied from the download folder to the hard drive using the Automation License Manager (drag and drop).
, checking the box for "GMP" or "Audit Trail" often triggers additional license requirements. You purchased the core WinCC Runtime Advanced (PowerTags)
Before clicking through random menus, it is critical to understand what "WinCC Logging" actually means in the Siemens ecosystem.
Unlike Siemens Comfort Panels, which include logging functionality in the hardware price, requires a separate license key for any form of data archiving (Tag Logging or Alarm Logging). Before clicking through random menus
Alternatively, open the Windows application ( services.msc ).
You purchased the core WinCC Runtime Advanced (PowerTags) license, but did not purchase the additive WinCC Logging for Runtime Advanced license.