The workaround from TAC was to change Captive Portal cert to 'aruba_default' if set to 'default', which has worked for us. If already 'aruba_default' they have said to change to 'default' and then back to 'aruba_default'.

Original Message:
Sent: Jul 23, 2026 02:52 PM
From: JS-d3d5bc
Subject: Aruba Central - securelogin.hpe.com cert expired 23 July 2026 at 00:59:59.
Thanks for the poke. HPE is already aware and this should be fixed soon.