#1 Global Leader in Data Resilience
#1 Global Leader in Data Resilience
BACK TO KB LIST

"Item may have a virus reported by the virus scanner plug-in."

KB ID: 3096
Product: Veeam Data Cloud for Microsoft 365
Veeam Backup for Microsoft 365
Published: 2020-02-07
Last Modified: 2025-03-28
mailbox
Get weekly article updates
By subscribing, you are agreeing to have your personal information managed in accordance with the terms of Veeam's Privacy Notice.

Cheers for trusting us with the spot in your mailbox!

Now you’re less likely to miss what’s been brewing in our knowledge base with this weekly digest

error icon

Oops! Something went wrong.

Please, try again later.

Challenge

Backup jobs with SharePoint Online or OneDrive for Business items fail with the following warning:

Processing OneDrive Username ({user_url}) finished with warning:
Failed to backup item: {file_path},
Item may have a virus reported by the virus scanner plug-in.
Error Message Change in Veeam Backup for Microsoft 365 8.0.x

In Veeam Backup for Microsoft 365 8.0 builds (8.0.x), the error message wording changed to:

Failed to download block in time: {time}

This change was unintentional and was corrected in Veeam Backup for Microsoft 365 8.1.

Cause

Items being backed up might be blocked by the internal SharePoint Online antivirus.
For more information, see Microsoft Defender for Office 365 - Built-in virus protection in SharePoint Online, OneDrive, and Microsoft Teams.
 

Solution

Outcome

The file mentioned in the error will not be backed up by Veeam Backup for Microsoft 365, because the attempt to download the item(s) was blocked by the internal SharePoint Online antivirus. 

Troubleshooting

As an isolation step to check whether items are infected, open OneDrive or the site that cannot be backed up and try downloading the file(s) manually. If the files you are trying to download are infected, the following will appear:

Error Message
If you are able to manually down the file(s) without seeing the above message about the file being "Compromised," contact Veeam Support for further assistance investigating this situation.
To submit feedback regarding this article, please click this link: Send Article Feedback
To report a typo on this page, highlight the typo with your mouse and press CTRL + Enter.

Spelling error in text

Thank you!

Thank you!

Your feedback has been received and will be reviewed.

Oops! Something went wrong.

Please, try again later.

You have selected too large block!

Please try select less.

KB Feedback/Suggestion

This form is only for KB Feedback/Suggestions, if you need help with the software open a support case
Veeam Backup & Replication
Veeam Data Cloud for Microsoft 365
Veeam Data Cloud for Microsoft Entra ID
Veeam Data Cloud for Salesforce
Veeam Data Cloud for Microsoft Azure
Veeam Data Cloud Vault
Veeam Backup for Microsoft 365
Veeam Backup for Microsoft Entra ID
Veeam Backup for Salesforce
Veeam ONE
Veeam Service Provider Console
Veeam Agent for Microsoft Windows
Veeam Agent for Linux
Veeam Backup for Nutanix AHV
Veeam Backup for AWS
Veeam Backup for Microsoft Azure
Veeam Backup for Google Cloud
Veeam Backup for Oracle Linux Virtualization Manager and Red Hat Virtualization
Veeam Management Pack for Microsoft System Center
Veeam Recovery Orchestrator
Veeam Agent for Mac
Veeam Agent for IBM AIX
Veeam Agent for Oracle Solaris
Veeam Cloud Connect
Veeam Kasten for Kubernetes
By submitting, you are agreeing to have your personal information managed in accordance with the terms of Veeam's Privacy Notice.
Verify your email to continue your product download
We've sent a verification code to:
  • Incorrect verification code. Please try again.
An email with a verification code was just sent to
Didn't receive the code? Click to resend in sec
Didn't receive the code? Click to resend
Start using Veeam:
Download the product
&
Activate the license key
Thank you!

Thank you!

Your feedback has been received and will be reviewed.

error icon

Oops! Something went wrong.

Please, try again later.