How to reset a Cisco Password :
- Power cycle the cisco and when prompted press ‘esc’. this will bring up the rommon prompt. it will look like this :
rommon #0>
- At the prompt type the following:
confreg
(when prompted answer no)
- now type :
confreg 0x41
This will cause the cisco to ignore its saved config
- now reset the cisco, type:
boot
- When its done booting you should see a generic boot example:
ciscoasa
- now type :
enable
, at the password prompt just press the “enter” key.
- Now copy the startup configuration file into the running configuration with the following command:
copy startup-config running-config
. It will ask “Destination filename [running-config]”, just press enter.
- Next, in configuration mode, enter the following command to change the Privileged Mode password to a known value:
enable password yournewpassword
. Where yournewpassword is the new password you are creating.
- Now we need to reset the configuration register to the default of 0x01 to force it to read the startup configuration on boot. Type the following:
config-register 0x01
- Now to make it persistent we need to save the changes, type:
copy run start
it will then say “ource filename [running-config]” press enter to continue.
- Now reload the Cisco type:
reload
. It will ask: “System config has been modified. Save? [Y]es/[N]o:” type “yes”.
Once its done reloading you should be able to use the new password.
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