Issues authenticating - Veeam R&D Forums
forums.veeam.com › veeam-backup-for-office-365-f47Sep 02, 2014 · When trying to use this account to connect VBO to our tenant I cannot get past the Connect to EWS and Microsoft Graph actions. EWS fails with HTTP status 401: Unauthorized and Microsoft Graph with Failed to get Microsoft Graph resource ID. As far as I can tell this new account is not set up to use MFA. We do have MFA turned on for the accounts ...