Product and Software: This article applies to Aruba platforms and ArubaOS before 3.3.x. This command works in ArubaOS 3.4.2 and ArubaOS 5.x and 6.x.
Currently the ArubaOS WebUI is the only way to import digital certificates into the controller. The server certificates are used for dot1x, captive portal and controller management.
Even though the CLI command 'crypto pki-import' is available, attempts to run this command result in an error.
The ArubaOS user guide v3.4.1 explicitly mentions this restriction on page 500: