(Note: This article applies to AuthAnvil Password Server v1.5 and later. If you are running AuthAnvil Password Vault v1.1 or earlier we recommend upgrading to the latest version using this upgrade guide: http://www.scorpionsoft.com/docs/pwv/aaps10v11tov15 )
The email address used to log in to the AuthAnvil Password Server must match an existing username in your 2FA server, and the AuthAnvil Password Server must have the user (or the organization) configured to use 2FA.
See this blog post for details on configuring a Grouped User account to be used for logging in to the AuthAnvil Password Server:
If you have any questions or need some help, we would be happy to assist. Open a case atkaseya.zendesk.com.