Cisco Cisco ASA 5550 Adaptive Security Appliance Release Notes

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Release Notes for Cisco ASA 5500 Version 7.2(5)
OL-22745-01
  System Requirements
Upgrading to a New Software Version
If you have a Cisco.com login, you can obtain software from the following website:
http://www.cisco.com/cisco/software/navigator.html
Note
ASA and ASDM images must be compatible, for example ASA Version 7.2(5) is compatible to ASDM 
Version 5.2(5). ASDM will not work with an incompatible ASA version. You will get an error message 
and ASDM will close.
You can also use the command-line interface to download the image, see the “Downloading Software or 
Configuration Files to Flash Memory” section in the Cisco Security Appliance Command Line 
Configuration Guide
To upgrade from Version 7.1.(x) to 7.2(5), you must perform the following steps:
Step 1
Load the new image from the following website:
http://www.cisco.com/cisco/software/navigator.html
Step 2
Reload the device so that it uses the new image. 
Step 3
Load the new ASDM 5.2.(x) image from the following website: 
http://www.cisco.com/cisco/software/navigator.html
Step 4
Enter the following command; this will tell the adaptive security appliance where to find the ASDM 
image:
hostname(config)# asdm image disk0:/ asdm file
To downgrade from Version 7.2(5) to 7.1.(x), you must perform the following steps: 
Step 1
Load the 7.1(x) image from the following website: 
http://www.cisco.com/cisco/software/navigator.html
Step 2
Reload the device so that it uses the 7.1(x) image. 
Step 3
Load the ASDM 5.1(x) image from the following website:
http://www.cisco.com/cisco/software/navigator.html
Step 4
Enter the following command; this will tell the adaptive security appliance where to find the ASDM 
image:
hostname(config)# asdm image disk0:/ asdm file