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Veeam Backup for Microsoft Office 365 3.0
User Guide

Used Ports

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.

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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User Guide

RESTful API Reference

PowerShell Reference