Purpose
This article provides information on actions that must be taken to ensure Veeam Backup for Microsoft 365 will continue to function after the Basic Authentication Deprecation in Exchange Online.
Required Actions
Organizations added to Veeam Backup for Microsoft 365 using either Basic Authentication or Modern Authentication with Legacy Protocols, must be switched to Modern App-Only Authentication.
References and Links
Microsoft Article: Basic Authentication Deprecation in Exchange Online – September 2022 Update
Microsoft Documentation: Migrate your public folders to Microsoft 365 Groups in Exchange Online
