ArubaOS and Controllers

Aruba Employee
Posts: 19
Registered: ‎04-03-2007

Upgrade fails : Incompatible CPU revision


If you happen to try to install an old software (older than on a fairly recent 3x00, you may get the following error message "Command failed because you are attempting to boot a xxxxx system image on an incompatible CPU revision".
Recent 3x00 controllers will will only accept digitally signed releases which started to be available from

In that case, upgrading to something equals or later than will fix the issue.

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