Resolving the "Same Serial Number Found on Another ColdFusion Server" Error
Sometimes ColdFusion "remembers" a conflict even after the other server is gone. Remove the serial number entirely and re-enter it. In the CF Admin, switch the license to Trial or Developer . Restart the service. Re-enter your valid Production Serial Number. Summary Checklist for Compliance Resolving the "Same Serial Number Found on Another
To resolve this without a full reinstall, you need to force ColdFusion to prompt for a new, unique key. Locate the License File: Navigate to your ColdFusion installation directory (e.g., C:\ColdFusion2023\cfusion\lib\ /opt/coldfusion/cfusion/lib/ license.properties Look for the file named license.properties Clear the Key: Open the file and remove the value next to . Leave it blank [1]. Restart Services: Restart the ColdFusion Application Server service [1, 2]. Re-activate: Log into the ColdFusion Administrator Log in to your ColdFusion Administrator console
If the secondary server is for testing or development purposes, you do not need a production key. Remove the production serial number. If the secondary server is for testing or