How to retrive the Enable password in ASA 5505

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Jun 26th, 2008

Hi,

Can someone help me it is very urgent we have ASA 5505 we lost the enable password How to retrive it

I have this problem too.
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dhananjoy chowdhury Sat, 06/28/2008 - 06:49

To recover from the loss of passwords, perform the following steps:

Step 1 Connect to the security appliance console port according to the "Accessing the Command-Line Interface" section on page 2-1.

Step 2 Power off the security appliance, and then power it on.

Step 3 During the startup messages, press the Escape key when prompted to enter ROMMON.

Step 4 To set the security appliance to ignore the startup configuration at reload, enter the following command:

rommon #1> confreg

The security appliance displays the current configuration register value, and asks if you want to change the value:

Current Configuration Register: 0x00000011

Configuration Summary:

boot TFTP image, boot default image from Flash on netboot failure

Do you wish to change this configuration? y/n [n]:

Step 5 Record your current configuration register value, so you can restore it later.

Step 6 At the prompt, enter Y to change the value.

The security appliance prompts you for new values.

Step 7 Accept the default values for all settings, except for the "disable system configuration?" value; at that prompt, enter Y.

Step 8 Reload the security appliance by entering the following command:

rommon #2> boot

The security appliance loads a default configuration instead of the startup configuration.

Step 9 Enter privileged EXEC mode by entering the following command:

hostname> enable

Step 10 When prompted for the password, press Return.

The password is blank.

Step 11 Load the startup configuration by entering the following command:

hostname# copy startup-config running-config

Step 12 Enter global configuration mode by entering the following command:

hostname# configure terminal

Step 13 Change the passwords in the configuration by entering the following commands, as necessary:

hostname(config)# password password

hostname(config)# enable password password

hostname(config)# username name password password

Step 14 Change the configuration register to load the startup configuration at the next reload by entering the following command:

hostname(config)# config-register value

Where value is the configuration register value you noted in Step 5. 0x1 is the default configuration register. For more information about the configuration register, see the Cisco Security Appliance Command Reference.

Step 15 Save the new passwords to the startup configuration by entering the following command:

hostname(config)# copy running-config startup-config

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