License File _hot_ | Chromeleon

You need a License Re-host . Contact Thermo Fisher with the old Host ID and new Host ID. They will generate a new .lic file. Never try to manually edit the Host ID in the file—it triggers a cryptographic mismatch.

: For offline systems, users can use a QR code or an Online Activation Portal to manually exchange a License Request Code (LRC) for a LAC. Key Codes Involved :

Use the Chromeleon Administration Console annually to review which licenses are active, ensuring you aren't paying for subscriptions or maintenance on retired instruments. To help provide more specific advice, please let me know:

Always store a copy of the original license file ( .lic ) and your activation codes on a secure corporate network drive or external media. chromeleon license file

When upgrading Chromeleon versions that involve a License Server, observe a critical sequence: that receive licenses from it. An older License Server (version 6.40 or earlier) cannot provide licenses to newer Chromeleon clients and servers version 6.50 or higher. However, newer License Servers can support older clients.

— If a firewall is active on the License Server PC, verify that CmLicSrv.exe is included in the exceptions list.

: Your base "proof of purchase" provided during installation. License Request Code (LRC) : A unique fingerprint generated by your specific PC. License Activation Code (LAC) You need a License Re-host

Upgrading from Chromeleon 7.2 to 7.3 is not a simple patch. The license file must also be upgraded.

It is recommended to back up your .cmlic file to a safe location to ensure you can restore the station after hardware failures or move the license to a new PC. Licensing Methods

Go to Start > Thermo Chromeleon 7 > Administration Console . Never try to manually edit the Host ID

: Generated by your local software.

A unique identifier for your software installation.

Check the server status to see who is occupying the seats. Ensure firewall rules allow traffic through the specific ports used by the Chromeleon License Server. "License Expired"

License issues can halt laboratory operations. Below are the most common error messages associated with Chromeleon license files and their troubleshooting steps. 1. "License File Not Found" or "No Valid License Available"