Hi Aaron,
The issue that you have mentioned occurs when data is not being populated while creating users. I mean to say that mail attribute is not populated while creating user accounts. Please check User Creation Template or the CSV file which you're using while creating Users.
ADManager Plus Team
Toll Free:+1888-720-9500
Email: support@admanagerplus.com
ADManager Plus - Active Directory Management & Reporting Software
ADManager Plus Team
Toll Free:+1888-720-9500
Email: support@admanagerplus.com
ADManager Plus - Active Directory Management & Reporting Software