System Requirements

Make sure that your Microsoft organizations and backup infrastructure components meet the listed requirements.

Supported Organizations

The following table lists supported Microsoft Exchange and Microsoft SharePoint organizations:

Organization

Requirement

Microsoft Exchange

Veeam Backup for Microsoft 365 supports the following Microsoft Exchange versions:

  • Microsoft 365 Exchange Online

Microsoft 365 and Office 365 service families, standalone services and plans for Business, Education, and Government* hosted by Microsoft are supported. For more information about system requirements and limitations for Microsoft 365, see this Microsoft article.

  • Microsoft Exchange Server 2019 (on-premises)
  • Microsoft Exchange Server 2016 (on-premises)
  • Microsoft Exchange Server 2013 (on-premises)

For more information about limitations for backup and restore of mail items, see Considerations and Limitations.

Microsoft SharePoint

Veeam Backup for Microsoft 365 supports the following Microsoft SharePoint versions:

  • Microsoft 365 SharePoint Online

Microsoft 365 and Office 365 service families, standalone services and plans for Business, Education, and Government* hosted by Microsoft are supported. For more information about system requirements and limitations for Microsoft 365, see this Microsoft article.

  • Microsoft SharePoint Server 2019

For more information about hardware and software requirements, see this Microsoft article.

  • Microsoft SharePoint Server 2016

For more information about hardware and software requirements, see this Microsoft article.

  • Microsoft SharePoint Server Subscription Edition

For more information about hardware and software requirements, see this Microsoft article and this Microsoft article.

*Government support is experimental.

Note

Throttling policies for Exchange Online cannot be managed in the Microsoft 365 interface.

Veeam Backup for Microsoft 365 Server

The following table lists system requirements for the machine with Veeam Backup for Microsoft 365:

Specification

Requirement

Hardware

The following hardware is required:

  • CPU: any modern multi-core x64 processor, 8 cores minimum.
  • Memory: 16 GB RAM minimum. Additional RAM and CPU resources improve backup, restore and search performance.

If you plan to deploy Veeam Backup for Microsoft 365 on VM with dynamic memory allocation, such VM must have 16 GB RAM minimum.

  • Disk Space: 1 GB for product installation and additional free space for configuration and local cache databases (depending on the number of organizations, jobs, and sessions) and product logs. Keep in mind that local cache databases are only created for Microsoft 365 organizations with modern app-only authentication.

OS

Only 64-bit version of the following operating systems are supported:

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012
  • Microsoft Windows 10 22H2 and earlier
  • Microsoft Windows 11 22H2 and earlier

Veeam Backup for Microsoft 365 server can be deployed on the following core editions:

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019 LTSC, 1809
  • Microsoft Windows Server 2016 LTSC, 1607
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012

Software

The following components are required:

  • Microsoft .NET Framework 4.7.2 or later.
  • Windows C Runtime and Update (UCRT) in Windows. For more information, see this Microsoft article.
  • To use PowerShell cmdlets for backup and restore, Windows PowerShell 5.1 or later is required.

For more information about Microsoft 365 system requirements and limitations, see this Microsoft article.

 

Important

Consider the following:

  • When you install Veeam Explorers and Veeam Backup for Microsoft 365 on different servers, the OS version on computers with Veeam Explorers must be the same or later than the OS version on a computer with Veeam Backup for Microsoft 365.
  • Veeam Explorers can be installed on a machine hosting Veeam Backup for Microsoft 365 7.0 or the Veeam Backup for Microsoft 365 Console component. You can also use a machine with Veeam Backup & Replication 10 or later that is deployed either along with any of these components, or as an independent solution.
  • The account you want to use for launching Veeam Backup for Microsoft 365 must be a member of the local Administrators group on a computer with Veeam Backup for Microsoft 365.

Machine with REST API

The following table lists system requirements for the machine with the Veeam Backup for Microsoft 365 REST API component:

Specification

Requirement

Hardware

The following hardware is required:

  • CPU: any modern multi-core x64 processor, 8 cores minimum.
  • Memory: 16 GB RAM minimum. Additional RAM and CPU resources improve backup, restore and search performance.

If you plan to deploy the Veeam Backup for Microsoft 365 REST API server on VM with dynamic memory allocation, such VM must have 16 GB RAM minimum.

  • Disk Space: 500 MB for the Veeam Backup for Microsoft 365 REST API server installation and additional free space for product logs.

OS

Only 64-bit version of the following operating systems are supported:

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012
  • Microsoft Windows 10 22H2 and earlier
  • Microsoft Windows 11 22H2 and earlier

Veeam Backup for Microsoft 365 REST API server can be deployed on the following core editions:

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019 LTSC, 1809
  • Microsoft Windows Server 2016 LTSC, 1607
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012

Software

The following components are required:

  • Microsoft .NET Framework 4.7.2 or later.
  • Windows C Runtime and Update (UCRT) in Windows. For more information, see this Microsoft article.

 

Backup Proxy Server

The following table lists system requirements for machines that you plan to use as backup proxy servers:

Specification

Requirement

Hardware

The following hardware is required:

  • CPU: any modern multi-core x64 processor, 8 cores minimum.
  • Memory: 16 GB RAM minimum. Additional RAM and CPU resources improve backup, restore and search performance.

If you plan to deploy Veeam Backup for Microsoft 365 backup proxy server on VM with dynamic memory allocation, such VM must have 16 GB RAM minimum.

  • Disk space: 1 GB for backup proxy installation and additional free space for configuration and local cache databases (depending on the number of organizations, jobs, and sessions) and backup proxy logs. Keep in mind that local cache databases are only created for Microsoft 365 organizations with modern app-only authentication.

OS

Only 64-bit version of the following operating systems are supported:

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012
  • Microsoft Windows 10 22H2 and earlier
  • Microsoft Windows 11 22H2 and earlier

Proxy servers can be deployed to the following core editions:

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019 LTSC, 1809
  • Microsoft Windows Server 2016 LTSC, 1607
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012

Other

The following components are required:

  • Microsoft .NET Framework 4.7.2 or later.

For a machine used as a workgroup backup proxy, the following settings are required:

  • The Remote Registry service must run on the target machine. The service startup type must be set to Automatic.
  • Backup proxy server ports must be opened in Windows Firewall.