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The License Manager will show a summary. Check that the "Valid" column says "Yes" and that the expiration date matches your contract.
To preserve instrument settings and avoid reconfiguration, also migrate the instrument configuration:
: C:\ProgramData\Dionex\Chromeleon\ (This is a hidden folder by default). How to Obtain the File
From a technical perspective, each USB license key contains a unique serial number embedded in its firmware. This serial number is the critical identifier that links the physical dongle to its corresponding digital license file. When installing Chromeleon, the system queries the dongle to retrieve this serial number and then validates it against the information stored in the license file.
The License Server can be installed on any network PC running compatible Windows operating systems. Historically supported platforms include:
The Chromeleon license file is a small, often overlooked text file that holds immense power. Losing it or corrupting it can halt your entire analytical workflow for days while you wait for Thermo Fisher’s support team to issue a replacement.
Store a copy of your *.lic file in three places:
Even if the "story" hits a snag—like a lost connection or a server failure—the software grants a grace period (often 7 to 60 days) to keep the lab running while you hunt for your codes [5, 15].
: Modern licensing allows for easier updates and straightforward relocation of licenses between computers compared to older dongle-based systems. File Specifications & Storage Chromeleon 7.3.2 MUc Installation Guide
The license file was opened and saved by Notepad, which added a Byte Order Mark (BOM) or changed line endings from UNIX (LF) to Windows (CRLF).
Laboratory computers eventually need upgrades or replacements. Because local licenses are locked to specific hardware, you cannot simply copy the license file to a new PC. You must perform a license transfer (deactivation/reactivation).
— Ensure the correct RPC protocol is selected.
If you are currently experiencing an activation issue, let me know:
: The final key from Thermo Fisher that unlocks the software.
What are you running? (e.g., 7.2, 7.3) Is this for a standalone workstation or a network server ? What is the exact error message on your screen?
Managing your effectively prevents lab downtime. Always keep a backup of your .lic file and your Activation ID in a secure, non-digital location. If you are upgrading your instruments, remember that you may need a "License Change" from Thermo Fisher to support the new hardware.
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