A service account will be used to connect to EWS and PowerShell services. An application, which you must register in your Azure Active Directory portal in advance, will allow Veeam Backup for Microsoft Office 365 to access Microsoft Graph API and retrieve your Microsoft Office 365 organizations’ data. How does Multi-Factor Authentication in Office 365 work?įor modern authentication in Office 365, Veeam Backup for Microsoft Office 365 leverages two different accounts: an Azure Active Directory custom application and a service account enabled for MFA. Learn more about the Update 4c in this blog. This new mode addresses the needs of customers using Microsoft Security Defaults in their Office 365 tenant organizations. In the new mode, VBO performs all its backup and restore operations using an Azure AD application instead of user credentials. UPDATE: With new Update 4c we’ve added the support for Office 365 tenants using modern app-only authentication with disabled legacy protocols. In this article, you will learn how it works and how to set up things quickly. For backup and restores, you can now use service accounts enabled for multi-factor authentication (MFA).

Starting from the recently released version 3, Veeam Backup for Microsoft Office 365 allows for retrieving your cloud data in a more secure way by leveraging modern authentication. NOTE: This blog post was last updated 17/03/20

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