Cisco CISCO7204VXR Installation And Configuration Manual page 161

This section describes how to recover a lost enable or console login password, and how to replace a lost
enable secret password on your Cisco 7200 VXR router.
It is possible to recover the enable or console login password. The enable secret password is encrypted,
however, and must be replaced with a new enable secret password.
Following is an overview of the steps in the password recovery procedure:
If you can log in to the router, enter the command to determine the existing configuration
register value.
Press the Break
show startup-config