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Veeam Backup for Microsoft Office 365 2.0
User Guide

Used Ports

The following table contains network ports that must be opened to handle 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, optionally 587

Required to connect to Microsoft Exchange Online organizations.

To use Exchange Online as a mail server for sending notifications, open the port 587.

Microsoft SharePoint Online

TCP

80, 443

Required to connect to Microsoft SharePoint Online organizations.

Microsoft SharePoint On-Premises

HTTP (HTTPS)

5985 (5986)

Required to connect to Microsoft SharePoint On-Premises organizations using the WinRM port.

Backup proxy server

TCP

9193

Must be open on a backup proxy server to handle inbound/outbound traffic management when interacting with the Veeam Backup for Office 365 server.

Veeam auto-update server

HTTPS

443

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

The endpoint URL for both servers is https://autolk.veeam.com/json-rpc.php.

Clients

Veeam Backup for Microsoft Office 365 management server

TCP

9191

Must be open on a Veeam Backup for Office 365 management server to handle inbound/outbound traffic management when interacting with its clients such as

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

Veeam Explorer for Microsoft Exchange

Veeam Explorer for Microsoft SharePoint

Veeam Backup for Microsoft Office 365 management server

TCP

9194

Must be open on a Veeam Backup for Office 365 management server to handle inbound/outbound traffic management when interacting with:

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

Backup proxy server

Veeam Backup for Microsoft Office 365 management server

TCP

9191

Must be open on a Veeam Backup for Office 365 management server to handle inbound/outbound traffic management when interacting with backup proxy servers.

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

Microsoft Exchange Online

TCP

80, 443

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

Microsoft SharePoint On-Premises

HTTP (HTTPS)

5985 (5986)

Used to connect to Microsoft SharePoint On-Premises organizations via the WinRM port.

Cloud Gateway

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

TCP

9194

To ensure inbound/outbound traffic management.

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User Guide

RESTful API Reference

PowerShell Reference