Chromeleon License File Jun 2026
| Scenario | Required Components | Key Action | | :--- | :--- | :--- | | New Installation | New License Key (contains embedded license) | Install dongle; software reads license automatically during setup | | New Installation | Empty License Key + Separate License File | Install dongle, then provide license file during setup or via Admin Console | | Adding Instruments/Features | Existing License Key + New License File | Update License File in Administration Console; no changes to dongle required | | Moving to New PC | License Key + License File (saved from old PC) | Copy .cmlic file to external drive; move dongle; restore file on new PC | | Network Deployment | License Server + License File (per server) | Install License Server on dedicated PC; configure clients to point to server |
Local licenses anchor directly to a single workstation. They require a physical USB dongle (hardware key) plugged into the PC, or they bind to the specific Media Access Control (MAC) address of the computer's network interface card. 2. Network (Concurrent) Licenses
: Provided with your purchase to start the process. chromeleon license file
These log directories can be accessed via the Start Menu path: .
Open the Chromeleon License Server Administration tool to see a list of active users. Identify idle sessions that can be closed to free up a license seat, or contact your account manager to expand your seat allocation. 3. Error: "License Hardware ID Mismatch" | Scenario | Required Components | Key Action
Always restart your computer after updating the license file or making any changes in the Administration Console. This ensures that all Chromeleon services load the new license information correctly.
The physical USB dongle is as valuable as the software itself. Treat it like any other critical asset: Network (Concurrent) Licenses : Provided with your purchase
If you’re working with Thermo Scientific’s , the license file is the heartbeat of your software. Without it, your high-performance liquid chromatography (HPLC) or gas chromatography (GC) instruments are essentially expensive paperweights.
— Confirm that the correct network protocol is selected and functional.
: If a connection to a required dongle or license server is lost, the software typically enters a "grace period" (often one week), allowing users to continue work while resolving the issue. manually activate a license on a computer without an internet connection?
— Ensure the USB license key is inserted into a USB 2.0 port (not marked "SS" and not blue in color). Unplug and reconnect the dongle to confirm the computer reacts and recognizes the device.