This is an archive version of the document. To get the most up-to-date information, see the current version.

Used Ports

In this article

    The following table lists network ports that must be opened to manage inbound/outbound requests from/to various system components of Veeam Backup for Microsoft Office 365.

    Used Ports Note:

    Data communication between Microsoft Office 365 organizations and Veeam Backup for Microsoft Office 365 is done via an SSL connection.

    From

    To

    Protocol

    Port

    Notes

    Veeam Backup for Microsoft Office 365 Server

    Microsoft Exchange Online

    TCP

    80, 443

    To connect to Microsoft Exchange Online organizations.

    Microsoft SharePoint Online

    TCP

    80, 443

    To connect to Microsoft SharePoint Online organizations.

    On-premises Microsoft SharePoint Server

    HTTP (HTTPS)

    5985 (5986 — used by default)

    To connect to on-premises Microsoft SharePoint organizations via the WinRM port.

    On-premises Microsoft Exchange Server

    TCP

    80, 443

    To connect to on-premises Microsoft Exchange organizations.

    Backup Proxy Server

    TCP

    9193 (used by default)

    Must be opened on a backup proxy server to manage inbound/outbound traffic when interacting with the Veeam Backup for Microsoft Office 365 server.

    TCP

    445

    Must be opened on a target proxy server to:

    • Install and manage the Veeam.Archiver.Proxy service on a target proxy machine.
    • Perform RPC requests.

    Veeam Auto-update Server

    HTTPS

    443

    To access the auto-update server and the licensing server. For more information, see Checking for Updates and Installing License.

    Components

    Veeam Backup for Microsoft Office 365 Server

    TCP

    9191

    Must be opened on a Veeam Backup for Microsoft Office 365 server to manage inbound/outbound traffic when interacting with the following components:

    • RESTful API
    • PowerShell
    • Veeam.Archiver.Shell (UI)
    • (optionally) A remote management server (if any)

    Veeam Explorer for Microsoft Exchange

    Veeam Explorer for Microsoft SharePoint (including Veeam Explorer for Microsoft OneDrive for Business)

    Veeam Backup for Microsoft Office 365 Server

    TCP

    9194

    Must be opened on a Veeam Backup for Microsoft Office 365 server to manage inbound/outbound traffic when interacting with:

    • Veeam Explorer for Microsoft Exchange
    • Veeam Explorer for Microsoft SharePoint

    Backup Proxy Server

    Veeam Backup for Microsoft Office 365 Server

    TCP

    9191

    Must be opened on a Veeam Backup for Microsoft Office 365 server to manage inbound/outbound traffic when interacting with backup proxy servers.

    This port can be changed, as described in Editing Backup Proxy Server.

    Microsoft Exchange Online

    TCP

    80, 443

    To connect to Microsoft Exchange Online via EWS (Exchange Web Services).

    On-premises Microsoft SharePoint

    HTTP (HTTPS)

    5985 (5986)

    To connect to on-premises Microsoft SharePoint organizations via the WinRM port.

    Cloud Gateway

    A server that hosts Veeam Backup & Replication and Veeam Backup for Microsoft Office 365

    TCP

    9194

    Maintains inbound/outbound traffic.

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