I am going to be upgrading ASA 5512-Xs from 8.6.1 to 9.1.3. Mind you this will be my first upgrade on a production ASA. One is local to me and one is remote.
From what I have read I will need to use an upgrade path to get to 9.1.3 as it is suggested to not try and upgrade directly.
My question is can I upgrade from 8.6.1 to 9.0.3 or do I have to upgrade to 9.0.1 first and then step up to 9.0.3 and then to 9.1.1 and again up to 9.1.3? Are there any other steps that I need to take to retain my current config? I have downloaded a backup already, but from what I understand the unit should retain my config after updating, correct?
I am a bit nervous on the remote system so I am hoping to perform the upgrade on the local in the next day or two for testing.
