During a short transitioning period, there are two 2-factor authentication at AAU.
For VPN use: SMS Passcode (from the 3rd of November this solution will be replaced with the use of Microsofts Authenticator app.)
For Remote Desktop (RDP) and SSH use (and for VPN from the 3rd of November): Microsoft Authenticator App
Follow the appropriate links below for SMS Passcode and Azure MFA respectively.