Upgrading Cisco Asa 5510 Software and ASDM

We have a Cisco Asa 5510 and it is running sw version 7.0.6 and ASDM version 5.0.6. I am looking to upgrade it to the newest release of both but read online (on Cisco's website)that upgrades must be done in sequential order and you cannot skip releases. Does this mean I would have to go through the upgrade process to upgrade to 7.0.8 then 7.1.0 then 7.1.1 and so on all the way up to the newest version?

It also says the same thing for the ASDM software.

Also, how much downtime should I expect per software upgrade? Will we have to do any reconfiguring?
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MikeKaneConnect With a Mentor Commented:
I've never heard of a sequential order requirement for cisco.   I've jumped releases with no issues.  

With the ASA/ASDM there is a version pairing requirement because the version of ASDM that can run is directly dependent on the ASA OS version.    When you pick an ASA OS version, you should also check for the ASDM version that is supported.    

To upgrade, you would tftp both images up to the ASA then change the config to reflect the new version to use on next bootup:
i.e.
boot system disk0:/asa823-k8.bin
and
asdm image disk0:/asdm-623.bin
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MikeKaneCommented:
The downtime is just the reboot time.    The original code should work unless you are jumping like 4 major versions.    But there are new supported methods in 8.3 vs previous releases.   the previous code will work fine though.
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