System Requirements

In this article

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

    Supported Microsoft Exchange Organizations

    The following table lists supported Microsoft Exchange versions:

    Microsoft Exchange

    Comments

    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 (compatibility support), 2016 or 2013 (on-premises)

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

    *Government support is experimental.

    Note

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

     

    Supported Microsoft SharePoint Organizations

    The following table lists supported Microsoft SharePoint versions:

    Microsoft SharePoint

    Comments

    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, 2016

    For more information about hardware and software requirements for Microsoft SharePoint Server 2019/2016, see:

    Microsoft SharePoint Server Subscription Edition

    For more information about hardware and software requirements for Microsoft SharePoint Server Subscription Edition, see this Microsoft article and this Microsoft article.

    *Government support is experimental.

     

    Veeam Backup for Microsoft 365 Server

    The following table lists system requirements for the host 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.

    Veeam Backup for Microsoft 365 also requires a minimum size of 16 GB of RAM for VMs with dynamic memory allocation.

    • Disk Space: 500 MB for product installation and additional free space for the configuration database (depending on the number of organizations, jobs and sessions) and 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 20H2 and earlier
    • Microsoft Windows 11

    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, 1709
    • Microsoft Windows Server 2012 R2

    Software

    The following software is 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 Explorer for Microsoft Exchange, Veeam Explorer for Microsoft SharePoint (including Veeam Explorer for Microsoft OneDrive for Business), Veeam Explorer for Microsoft Teams 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 only be installed on a machine hosting Veeam Backup for Microsoft 365 6.0 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 Administrator group on a computer with Veeam Backup for Microsoft 365.

    Host with REST API

    The following table lists system requirements for the host machine with 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.

    Veeam Backup for Microsoft 365 also requires a minimum size of 16 GB of RAM for VMs with dynamic memory allocation.

    • Disk Space: 500 MB for product installation and additional free space for the configuration database (depending on the number of organizations, jobs and sessions) and 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 20H2 and earlier
    • Microsoft Windows 11

    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, 1709
    • Microsoft Windows Server 2012 R2

    Software

    The following software is 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, 4 cores minimum.
    • Memory: 8 GB RAM minimum. Additional RAM and CPU resources improve backup, restore and search performance.

    Veeam Backup for Microsoft 365 also requires a minimum size of 8 GB of RAM for VMs with dynamic memory allocation.

    • Disk space: 300 MB for backup proxy installation and additional free space for configuration database (depending on the number of organizations, jobs and sessions) and backup proxy 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 20H2 and earlier
    • Microsoft Windows 11

    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, 1709
    • Microsoft Windows Server 2012 R2

    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.