No I didn't use over VPN, just happen after I upgraded ER605 to 2.3.1 all my devices dropped, same I'm using self-hosted controller

@Vincent-TP Vincent-TP wrote Hi @Omadauser200131 What exactly is the problem? After upgrading to the latest firmware, did all the devices go offline, and did they recover after rolling back to the...

Same problem with er605, I had to revert the prior version, all my devices drop or kept re-adopting

@Vincent-TP Suggestion for Voucher Code next update

@Vincent-TP Unfortunately, prohibiting Wi-Fi sharing does not function. EAP610 ceiling mount, same with eap110 and eap225 outdoor, expecting for the next update on these devices. Thank you.

Same issues on Local user, they need to re-login