Activation — Chromeleon License

There are three ways to activate. Choose based on your lab’s internet connectivity.

Cause: Thermo Fisher’s activation server is down, or your proxy server is blocking HTTPS traffic. Fix: Set your Chromeleon License Administrator to use a proxy: Tools > Options > Network > "Use proxy server" > Enter proxy IP and port. Alternatively, switch to Offline activation. chromeleon license activation

| License Type | Description | Activation Method | |--------------|-------------|--------------------| | Node-locked | Tied to a specific computer (by MAC address or disk volume) | Online / Offline / FLEXnet | | Concurrent (Network) | Served by a license server; shared among clients | License Server Manager | | Trial/Demo | Time-limited (usually 30–60 days) | Online / License file | There are three ways to activate

For most standard installations, follow these steps: Fix: Set your Chromeleon License Administrator to use