How To Check F5 Serial Number Jun 2026

For most BIG-IP hardware appliances and VIPRION systems, the Configuration Utility is the most straightforward method. to the BIG-IP Configuration Utility (Web UI). Navigate to System > Configuration > Device . Select the General tab.

For newer rSeries systems, it usually follows the format f5-XXXX-XXXX . 2. Command Line Interface (CLI) how to check f5 serial number

Because F5 environments vary—ranging from physical hardware appliances to virtual machines in the cloud—there isn’t a single "one-size-fits-all" method. This comprehensive guide will walk you through every possible scenario, ensuring you can find the information you need regardless of your access level or platform type. For most BIG-IP hardware appliances and VIPRION systems,

Alternatively, you can use the older bigpipe command (deprecated but still works on some versions): Select the General tab

Go to System > License > Reactivate . The 25-character string in the Registration Key field serves as the unique identifier. Specifically, the last seven characters are often required by F5 Support .

Look for the serialNumber field in the response.

If you get a permission error, run sudo dmidecode -s system-serial .