If you are working with Siemens TIA Portal and suddenly see the message you aren't alone. This is one of the most common hurdles for automation engineers when transitioning from basic HMI panels to more advanced hardware.
But why does this happen?
License keys are version-specific. If you have a license for , but you are trying to work in TIA Portal V18 , the system may not recognize it unless you have purchased the PowerPack (Upgrade). C. Trial License Expiration license wincc comfort was not found
You might have the software installed, but the Automation License Manager (ALM) cannot find the specific "Comfort" or "Advanced" floating license required. If you are working with Siemens TIA Portal
Troubleshooting the "License WinCC Comfort Was Not Found" Error license wincc comfort was not found