Zero Downtime Upgrade ASA5520 - 8.0(3) to 8.2(1)

Answered Question

Hi there

I have an active/standby configuration is it possible to upgrade the ASA5520 with zero downtime from 8.0(3) to 8.2(1)? and ASDM from 6.0(3) to 6.2.

Thanks

Tim

I have this problem too.
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Correct Answer by atrion-dmcnamara about 7 years 3 months ago

You can upgrade the ASDM with zero downtime, but you cannot upgrade the ASA code itself from 8.0(3) to 8.2(1).

http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/mswlicfg.html#wp1053398

Per the article above, you would need to upgrade to 8.0(4) first, and then to 8.2(1).

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