Same Serial Number Found On Another Coldfusion Serverthe Server May Be Out Of Compliance Fixed Jun 2026

On the server where you want to keep the license:

Note: The Developer Edition includes all enterprise features but limits concurrent requests to local IPs and two external IP addresses. Method 2: Suppress the Licensing Broadcast Mechanism

: If you believe you are within your license limits (e.g., one prod, one dev), email cfsup@adobe.com to have them reset your activation count. Do you need help locating your serial number or checking the activation logs on your specific OS?

A secondary or disaster recovery server is running simultaneously with the primary using the same production key. On the server where you want to keep

Use distinct serial numbers for production, staging, and development environments.

. If two servers on the same subnet share the same key, the ColdFusion Administrator will trigger a warning or restrict access. Here is a quick breakdown of how to resolve this: 1. Identify the Conflict The error usually stems from one of two scenarios: Cloned VMs:

: If you have migrated to a new machine, ensure the ColdFusion services on the old machine are fully stopped or uninstalled. A secondary or disaster recovery server is running

Through the ColdFusion Administrator:

To avoid encountering this error again, adopt these best practices:

The Developer Edition is licensed strictly for non-production use (development, testing, training). Using it in production is a violation of the EULA and could trigger compliance warnings or legal consequences. If you need to test production-like scenarios, use a trial license or purchase appropriate production licenses. If two servers on the same subnet share

The error message typically appears in the interface under the "Licensing and Activation" section.

This comprehensive guide will walk you through everything you need to know about this error: why it occurs, how to fix it quickly and permanently, how to verify your license compliance, and best practices to ensure this problem never haunts your infrastructure again.

: The License Scanner has been removed in ColdFusion 2025 . If you are using CF2025 or newer, you will need to rely on other compliance verification methods, such as manual code audits or third-party tools.