'link' | Pfsense Serial Number

This generates a 20-character, hardware-hashed string. While not an official "serial number" for support, it uniquely identifies that specific pfSense installation. If you clone a VM, this ID will change or remain? (It remains on clones, causing issues—more on that later).

That was the problem. The serial number. pfsense serial number

If the hardware exposes its serial number to the operating system via SMBIOS/IPMI, you can find it inside pfSense. This generates a 20-character, hardware-hashed string

If you are connected via SSH or a console cable, you can pull the serial number directly from the system environment using these commands: This generates a 20-character