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ASA 5506-X

Posted on 2016-09-15
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Last Modified: 2016-09-15
How to reset ASA 5506-X back to factory defaults. I have been trying to use the reset button but I been unsuccessful in my attempts. Am I missing something?
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Question by:daise703
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by:SIM50
ID: 41800045
Try this: in config mode, type "config factory-default" and then reload.
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by:daise703
ID: 41800119
I change the default ip address....afterwards couldn't get in through ASDM. I tried accessing through a console using putty and TeraTerm but no luck. I have been trying to reset it using the reset button and that doesn't work either.
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by:SIM50
ID: 41800135
Why you can't access through console? You can't login?
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by:daise703
ID: 41800174
When I try and use Putty or TeraTerm nothing happens....I just get a blank screen.
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SIM50 earned 500 total points
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by:CompProbSolv
ID: 41800389
"I just get a blank screen"
Are you connected with Putty before booting up (as opposed to connecting after it has booted)?  Are you sure that you have the serial communication parameters set correctly?

I've used the following successfully:
(2/10/16 From https://staff.washington.edu/curreri/restoring-factory-defaults-to-the-cisco-asa5505-firewall-via-the-console/ )

If you are like me, you tend to click things just to see how they work. Sometimes they don’t work. At all. If you’ve mucked up the IP, vlan, etc settings and the Cisco ASDM can’t get into the device, it’s time for more desperate measures. If you can get into the ASDM, it is easier to Reset to Factory Defaults using the Cisco’s ASDM.

There is a button on the back of the device that says ‘Reset’. This button appears to be entirely for looks. I think will help you fix the problem as much as this button will:


Instead, you’ll need to use the Console Port!

hook up the blue console cable to your serial port, plugging the other end into ‘Console’ port on the ASA 5505. The console port looks like a network jack, but it’s above the usb ports.
Select a terminal program.
In Windows XP, use hyperterminal, click Start, Programs, Accessories, Communications, Hyperterminal, create a connection on Com1 using the terminal settings:
In Windows 7, I recommend Putty. Download and install it, then make a new connection. Select the radio Type: Serial, then click Serial on the left and use these settings:
Bits per second: 9600
Data bits: 8
Parity: None
Stop bits: 1
Flow control: None
After you open your connection, press enter a couple times, and you should get a prompt like: ‘ciscoasa>’, or ‘nameofyourdevice>’
type ‘ena’ to go to enable mode. Enter the password, or just press enter if there is no password set.
type ‘config t’
type ‘config factory-default’
hit spacebar when the ‘more’ thing happens. You want to get back to the prompt that looks like: ‘ciscoasa(config)#’
type ‘reload save-config noconfirm’
make sure that the outside line is plugged into port zero, and your pc is plugged into any of the ports 1-7.
The Cisco ASA has been reset to factory settings. DHCP is enabled on the cisco device, and it’s internal IP address is now 192.168.1.1!
If you had an enable password set, you may need to enter that in the password box when you try to connect using the ASDM. Otherwise the default
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Author Closing Comment

by:daise703
ID: 41800449
After connecting I was able to restore the asa back to factory defaults. Thanks for all of help guys.
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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