License Wincc Comfort Was Not Found [exclusive] Online

A common oversight involves where the license is physically stored. On many older Siemens HMI panels (such as the Comfort Panels), the operating system runs in volatile memory (RAM). If you transfer a license to the panel's internal storage and then perform a firmware update or a complete reset, that license is wiped away.

The Red Light Dilemma: Why Your HMI Won’t Start and How to Fix the Missing License Nightmare license wincc comfort was not found

If you were using a 21-day trial, the error will appear once that period ends unless a permanent key is provided. How to Resolve It A common oversight involves where the license is

Often the license is there, but TIA can’t “see” it. The Red Light Dilemma: Why Your HMI Won’t

💡 Many people forget to transfer the license to the panel after purchase. Use Automation License Manager → drag & drop license to the panel’s drive.