Unable to connect to SMTP server because of invalid credentials

Situation: The client Has setup Notification on Veeam Backup. However, it doesn’t work now.

Troubleshooting: we find that happens after they enable MFA. The resolution is create a one time app password. Please refer to this page:

How to create Microsoft app password in Office 365

Published by

Bob Lin

Bob Lin, Chicagotech-MVP, MCSE & CNE Data recovery, Windows OS Recovery, Networking, and Computer Troubleshooting on http://www.ChicagoTech.net How to Install and Configure Windows, VMware, Virtualization and Cisco on http://www.HowToNetworking.com

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