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OneDrive / SharePoint Backup Fails with "Error: Invalid MIME content-length header encountered on read."

🗓️ 18 Dec 2025 00:00:00Reported by Veeam softwareType 
veeam
 veeam
🔗 www.veeam.com👁 29 Views

OneDrive backups fail with invalid MIME header; upgrade to Veeam Backup for Microsoft 365 8.3.

Detection

Data

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20 May 2026 15:21Current
5.8Medium risk
Vulners AI Score5.8
29