Office 365

Acronis True Image: how to back up Microsoft 365 accounts

Introduction

Starting from Acronis True Image 2019 Update 2 (Build 14610) you can back up OneDrive and mailboxes for MS Microsoft 365 Consumer accounts. Backups are saved to Acronis Cloud. You need Acronis True Image Advanced or Premium subscription to use this feature.

Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Microsoft 365 protection

Comparison of Microsoft 365 protection options with local Agent for Microsoft 365 and Cloud-based Agent for Microsoft 365 in Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5. To learn more about on-premises and cloud deployment see product documentation.

(!) The table describes features available in Acronis Cyber Backup 12.5 Update 3 (Build 11010) and later. Some features are unavailable in earlier builds.

Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: Microsoft 365 mailbox backup fails with "The SMTP address has no mailbox associated with it"

Symptoms

  1. You have installed an Agent for Microsoft 365 on a Windows machine or added a C2C agent, and created a plan for backing up Microsoft 365 mailboxes,
  2. Backup of Microsoft 365 mailboxes finishes with errors:

    SOAP protocol error has occurred while accessing the EWS server. SOAP code: ErrorNonExistentMailbox. SOAP message: The SMTP address has no mailbox associated with it

Acronis Cyber Protect Cloud: O365 mailbox has "Not protected" status although Group Backup plan is applied

Symptoms

Microsoft 365 mailbox has Not protected status although a group backup plan is applied.

Cause

Issue happens because currently C2C agent does not perform backup of O365 mailboxes that do not have a valid license.

Acronis Cyber Protect Cloud: C2C backup fails with "[Archive Server]: server instance mismatch"

Symptoms

C2C backups (such as Microsoft 365, OneDrive, SharePoint Online, Google Workspace, Google Drive) fail with the following error:

A backup agent error: '[Archive Server]: server instance mismatch'

Cause

Issue in the product.

Solution

This issue was fixed in C21.02 Hotfix 1.

Acronis Cyber Protect Cloud: Recovery of a deleted private channel fails with "A backup agent error: 'Channel was not restored'"

You backed up a private channel in Microsoft Teams. Later, you deleted the channel and want to restore it from the backup.

Restore fails with this error:

A backup agent error: 'Channel Channel id=<id> was not restored

Files folder of Channel id=<id> is not ready. Recovering of Channel's messages impossible

Acronis True Image: Microsoft 365 backup fails with "login for the account to which the mailbox belongs is also used for another Microsoft account"

You run a backup of Microsoft Office 365 mailbox and/or OneDrive with Acronis True Image 2019/2020
Backup fails with the following error:

Cannot back up this mailbox because the login for the account to which the mailbox belongs is also used for another Microsoft account

Acronis Cyber Protect Cloud: Attempt to add cloud Agent for Microsoft 365 results in downloading local Agent for Microsoft 365

Symptoms

You log in the Protection Console as a customer group company administrator and attempt to add a Microsoft 365 organization as described in the User Guide.

This leads to a download prompt for the local agent for Microsoft 365 instead of redirecting to the Microsoft 365 login page.

Troubleshooting 

The behavior is expected if the tenant has "Enhanced security" enabled.