Password recovery
The password recovery feature is enabled by default and provides a method for regaining management access to the switch (without resetting the switch to its factory default configuration) in the event that the system administrator loses the local manager username (if configured) or password. Using password recovery requires:
password-recovery
enabled (the default) on the switch prior to an attempt to recover from a lost username/password situation
Contacting your Hewlett Packard Enterprise Customer Care Center to acquire a one-time-use password