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Microsoft 365 Backup: Permanent Limitations
This article explains the permanent backup limitations you may see for Microsoft 365 in SysCloud. It covers Outlook, OneDrive, SharePoint Online, Microsoft Teams, Teams Chat, Microsoft Calendar and Microsoft Contacts. For each limitation you'll find what it means and what, if anything, you need to do.
What is a permanent limitation?
A permanent limitation means SysCloud could not back up some of your data in this backup because of a condition in Microsoft 365 that retrying straight away would not fix, for example the item was deleted or its type is not supported.
- The backup status shows Completed. Everything else in the backup is backed up as normal; only the affected user or item is skipped.
- Each section below says whether you need to do anything, and whether the data is backed up again later.
- A permanent limitation does not remove anything SysCloud has already backed up.
How to use this article
- In SysCloud, open the backup details and note the message shown for the affected user or item, and its backup status.
- Find that message in the quick reference table below.
- Read the matching section for what it means and what to do.
Quick reference
| Limitation | Message shown in SysCloud | Backup status | Action |
|---|---|---|---|
| 1. Teams item no longer available | Item unavailable (Teams Chat, Microsoft Teams) | Completed | No action needed |
| 2. Team no longer available | Team unavailable (Microsoft Teams) | Completed | No action needed |
| 3. SharePoint site no longer available | SharePoint - Site unavailable | Completed | Action may be needed |
| 4. Outlook mailbox or user not valid | Outlook - Mailbox or user invalid | Completed | Action may be needed |
Limitations in detail
1. Teams item no longer available
Message shown in SysCloud:
- Item unavailable (Teams Chat, Microsoft Teams)
Backup status: Completed
What happened
Backup completed, but the affected Microsoft Teams or Teams Chat item could not be backed up because it is no longer available. Usually the item was deleted after the backup started, before SysCloud could copy it.
What you can do
No action is needed. The item no longer exists, so there is nothing left to back up.
2. Team no longer available
Message shown in SysCloud:
- Team unavailable (Microsoft Teams)
Backup status: Completed
What happened
Backup completed, but the affected team could not be backed up because it no longer exists, and Microsoft no longer returns it as a team SysCloud can access.
What you can do
No action is needed. Data already backed up for this team remains available in SysCloud.
3. SharePoint site no longer available
Message shown in SysCloud:
- SharePoint - Site unavailable
Backup status: Completed
What happened
Backup completed, but the affected SharePoint site could not be backed up because it no longer exists or is no longer accessible in Microsoft 365.
What you can do
If the site was deleted by mistake, restore it in Microsoft 365. SysCloud backs it up in the next scheduled backup cycle. Data already backed up for this site remains available in SysCloud.
4. Outlook mailbox or user not valid
Message shown in SysCloud:
- Outlook - Mailbox or user invalid
Backup status: Completed
What happened
Backup completed, but Outlook data for the affected user could not be backed up because Microsoft 365 reports the user's mailbox as invalid. This can happen when the user does not have an Exchange Online license or mailbox, has been deleted, or belongs to a different Microsoft 365 tenant.
What you can do
Assign a valid Exchange Online license to the user, or confirm that the user is active in the Microsoft 365 tenant connected to SysCloud. Backup resumes in the next scheduled backup cycle.
Frequently asked questions
Will SysCloud try to back up the data again?
Not while the cause remains. Once the cause is fixed, for example a deleted item is restored or a missing license is assigned, the data is backed up in the next scheduled backup.
Does this mean my whole backup failed?
No. Only the affected user or item was skipped. Everything else in the backup was backed up as normal.
Is data I backed up earlier affected?
No. A permanent limitation does not remove anything SysCloud has already backed up. Earlier backups remain available in SysCloud.
Need more help?
Contact SysCloud Support and include:
- A screenshot of the message shown in SysCloud, or the exact message text
- The affected user or item
- The Microsoft 365 app (for example Outlook or OneDrive)
- The date and time of the backup
Related article: Microsoft 365 Backup: Temporary Limitations