AS auth failed Error

[abinning]

Many users are getting an Auth Failed after a recent server upgrade.

Code: Select all

3986 2018-12-28 14:18:40-0800 [-] OVPN 10 OUT: 'Fri Dec 28 22:18:40 2018 174.134.22.240:61933 Control Channel: TLSv1.2, cipher TLSv1/SSLv3 ECDHE-RSA-AES256-GCM-SHA384, 2048 bit RSA'
3987 2018-12-28 14:18:40-0800 [-] OVPN 10 OUT: 'Fri Dec 28 22:18:40 2018 174.134.22.240:61933 [trent_AUTOLOGIN] Peer Connection Initiated with [AF_INET]174.134.22.240:61933'
3988 2018-12-28 14:18:40-0800 [-] OVPN 10 OUT: 'Fri Dec 28 22:18:40 2018 MANAGEMENT: CMD \'client-deny 5 0 "AS auth failed"\''
3989 2018-12-28 14:18:40-0800 [-] OVPN 10 OUT: 'Fri Dec 28 22:18:40 2018 MULTI: connection rejected: AS auth failed, CLI:[NULL]'
3990 2018-12-28 14:18:41-0800 [-] OVPN 10 OUT: 'Fri Dec 28 22:18:41 2018 174.134.22.240:61933 Delayed exit in 5 seconds'
3991 2018-12-28 14:18:41-0800 [-] OVPN 10 OUT: "Fri Dec 28 22:18:41 2018 174.134.22.240:61933 SENT CONTROL [trent_AUTOLOGIN]: 'AUTH_FAILED' (status=1)"
3992 2018-12-28 14:18:46-0800 [-] OVPN 10 OUT: 'Fri Dec 28 22:18:46 2018 174.134.22.240:61933 SIGTERM[soft,delayed-exit] received, client-instance exiting'

I have at least one user I know that can connect just fine, and so fare 3 that can not. Including a freshly registered user.
Running OpenVPN Access Server 2.6.1
Authenticating with PAM
on Ubuntu Server 16.04.5 Xenial
Clients are connecting from Windows 10

[novaflash]

Submit a support ticket and send in server side log files as well.