The following table contains network ports that must be open 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. | |
Microsoft SharePoint On-Premises | HTTP (HTTPS) | 5985 (5986) | To connect to on-premises Microsoft SharePoint organizations via the WinRM port. | |
Backup proxy server | TCP | 9193 | Must be open on a backup proxy server to manage inbound/outbound traffic when interacting with the Veeam Backup for Microsoft Office 365 server. | |
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. | |
Clients | Veeam Backup for Microsoft Office 365 management server | TCP | 9191 | Must be open on a Veeam Backup for Office 365 server to manage inbound/outbound traffic when interacting with the following client:
|
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 server to manage inbound/outbound traffic when interacting with:
|
Backup proxy server | Veeam Backup for Microsoft Office 365 management server | TCP | 9191 | Must be open on a Veeam Backup for 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). | |
Microsoft SharePoint On-Premises | 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. |
