Veeam Backup Veem Update Version 8.4.0.1457

Veeam Backup for Microsoft 365 8.4 (8.4.0.1457) adds SharePoint version protection controls, a redesigned Restore Portal, new protection reports, TLS between core components, and multiple performance improvements. The release is available starting 2026-04-16. Reference IDs: KB4816, KB4567, KB4821.

• TLS connections are supported between the controller, remote proxies, and PostgreSQL; TLS is enabled by default with default installation settings.
• Host rollback detection for proxies in a proxy pool helps enforce repository synchronization and maintain consistent repository states.
• The skipItemUpdate parameter can force skipping item validation in REST API job endpoints to accelerate execution.

• Improved log export performance and stability.
• Optimized load balancing on proxy pools during restore and export operations.
• Improved SharePoint backup performance and reduced throttling risk through fewer and more efficient SharePoint Online requests.
• Improved SharePoint backup and object storage repository performance with more asynchronous processing.
• Up to 22% faster saving of Exchange data to object storage during backup.
• A retention retry mechanism automatically restarts interrupted retention tasks.
• Improved performance of SharePoint restore browsing REST endpoints.
• Improved performance of several REST API job and restore endpoints.

• Ability to choose how many SharePoint file versions to protect: latest version only or full version history.
• Restore Portal has a cleaner interface and improved browsing flow for protected user data.
• New built-in data protection reports for OneDrive, SharePoint, and Teams, available via REST APIs and CSV.
• Support for TLS connections between the controller, remote proxies, and PostgreSQL.
• Ability to specify protected data locations for multi-geo tenants via REST API.
• The repositoryId parameter is now accepted by the /v8/Organizations/{organizationId}/explore endpoint.
• The skipItemUpdate parameter was added to multiple job-related REST API endpoints.
• Host rollback detection was added for proxies in a proxy pool.

• Upgrade from beta and technical preview versions of v8 is not supported.
• Automatic upgrade from v7a to v8.4 using the Upgrade wizard is not available.
• Automatic silent updates are not supported for Linux backup proxy servers.
• Connections using TLS 1.3 are not supported.
• Support for NAS SMB shares as backup targets is experimental and will be dropped in future versions.
• Basic authentication for Microsoft 365 tenants is planned for deprecation; in v8.4 it is only available for Microsoft Entra China via REST API and PowerShell.
• Microsoft 365 Germany region organizations can be added only through REST API and PowerShell.
• Microsoft Teams service is not supported for Microsoft 365 China and Germany regions.

• Release version is available for download from the Veeam product download page starting 2026-04-16.
• SharePoint version protection control is available via PowerShell and REST APIs; see KB4816.
• Starting with v8.4, auxiliary backup applications for SharePoint processing are deprecated; see KB4567 and KB4821.
• If upgrading from v7.0 or v7a, a previously installed Veeam license file is not automatically detected and must be installed manually after upgrade.
• After upgrading from v7.0 or v7a, a full backup of Teams private and shared channel messages will run once.
• For pre-release technical preview installations, remote proxies, pre-release components, repositories, databases, NATS streams, and the C:\ProgramData\Veeam\Backup365 directory must be removed before installing v8.4.

• Product download page
  https://www.veeam.com/products/saas/backup-microsoft-office-365-download.html

Product Information

Vendor: Veeam Backup

Product: Veem

Version: 8.4.0.1457

Release date: Apr 16, 2026