Considerations and Limitations: MSP Backup for M365

When configuring MSP Backup for M365 powered by Veeam and Wasabi, take into account these considerations and limits.

Considerations and Limitations - MSP Backup for M365:

General:

  • Project Web Apps are not supported for backup.
  • Backup of a Microsoft 365 tenant organization is not supported if the initial domain of the organization was changed.
  • Backup of dynamic distribution groups is not supported for Microsoft 365 organizations with modern app-only authentication. Members of dynamic distribution groups cannot be resolved.

Microsoft Exchange:

  • To back up user mailboxes, make sure that a mailbox has a valid Microsoft 365 license. Otherwise, the unlicensed mailbox will not be backed up.
  • Due to Microsoft limitations, MSP Backup for M365 does not back up the following objects for Microsoft 365 organizations: Discovery Search Mailboxes, Public Folder Mailboxes.
  • If you modify a retention policy tag for a folder, MSP Backup for M365 will perform full synchronization of that folder during the subsequent backup job session.
  • When backing up Microsoft Exchange mailboxes, MSP Backup for M365 does not create a new version of an item if the Read/Unread property of such item was changed. That said, the Read/Unread property of each of the backed-up items always remains exactly the same as it was during the initial backup.
  • MSP Backup for M365 does not back up permissions for sharing mailbox folders and Calendar.

Microsoft SharePoint and OneDrive:

  • To back up SharePoint and OneDrive for Business objects, make sure that a user account has a valid Microsoft 365 license with SharePoint plan enabled.
  • If a SharePoint item has several versions with identical owshiddenversion values, only the latest version of this item is backed up, all the rest versions are skipped from processing.
  • Due to a limitation with Microsoft, MSP Backup may not backup OneNote notebooks if their size is greater 2 GB. For more information, see this Microsoft article.
  • MSP Backup for M365 does not back up the following objects:
    • External SharePoint lists. 
    • SharePoint folder attachments.
    • SharePoint site collection recycle bin.

Microsoft Teams:
  • MSP Backup for M365 backs up only the following types of channel tabs: Website, Planner, Word, Excel, PowerPoint, Visio, PDF, Document Library, OneNote, SharePoint, Stream, Forms, Power BI, Power Automate (ex Flow) and Azure DevOps.
  • Backup of team chats using Teams Export APIs is limited to backup of public channel posts.
  • MSP Backup for M365 does not back up the following objects:
    • Private and shared channels.
    • One-on-one and group chats.
    • Audio and video calls.
    • Video recordings saved to Microsoft Stream.
    • Contacts.
    • Calendar: information about meetings and meeting chats.
    • Code snippets in posts.
    • Banner notifications in posts.
    • Data of applications added as channel tabs (such as Website, Planner, Word, Excel, PowerPoint, Visio, PDF, Document Library, OneNote, SharePoint, Stream, Forms, Power BI, Power Automate and Azure DevOps) and other 3rd party applications if their data does not reside in the SharePoint document library of the team.