Chromeleon License Activation File

Locate the original purchase email. You need:

: Once the license activation is complete, verify that the software is fully functional and that all features are accessible.

Pro Tip: Do not upgrade to 8.x if your lab has unstable internet. The 8.x license activation requires periodic cloud validation. chromeleon license activation

During a transition, you can run two versions side-by-side for validation. Activate the new license on a test partition. Once validated, deactivate the old license and move the new license to production.

The wizard will show your “Box” contents. Example: Locate the original purchase email

You must be a on the machine. Right-click the License Administrator tool and select Run as Administrator . If you don’t, the activation service (FlexNet or Sentinel) cannot write to the registry.

Document version: 1.0 | Last reviewed: [Current Date] | Applies to Chromeleon 7.3.x and 7.4.x Once validated, deactivate the old license and move

| Error Message | Likely Cause | Solution | |----------------|----------------|-----------| | “Invalid activation code” | Typo or already used code | Re-enter; check with Thermo support for reset. | | “No internet connection” | Firewall/proxy blocking | Use offline activation or configure proxy in License Manager. | | “License server down” (network license) | Service not running | Restart FlexNet service; check port 27000. | | “Clock has been tampered” | System date changed | Restore correct date and reactivate. | | “License file corrupt” | Damaged .lic file | Regenerate from Thermo portal. |

"Hi, I'm having trouble activating my Chromeleon license," John explained. "I've tried entering the activation code multiple times, but it just won't work."

John was relieved that the issue was resolved, and his team could now use Chromeleon to analyze their chromatography data. He thanked the support agent for their patience and expertise.