The following table defines network ports that must be opened to ensure proper communication of Veeam Backup for Microsoft Office 365 with other components.
From | To | Protocol | Port | Notes |
|---|---|---|---|---|
Veeam Backup for Microsoft Office management 365 server | Microsoft Exchange Online | TCP | 80, 443, optionally 587 | Used for connection to Microsoft Exchange Online using EWS (Exchange Web Services). If you plan to use Exchange Online as a mail server for sending notifications, open port 587. |
Backup proxy server | TCP | 9193 | This port should be open on the backup proxy server for data communication with the Veeam Backup for Office 365 server. | |
Clients | Veeam Backup for Microsoft Office 365 management server | TCP | 9191 | This port should be open on Veeam Backup for Office 365 management server for data communication between server and clients: RESTful API, PowerShell and Veeam.Archiver.Shell (UI), and, optionally, connection to remote management server (if any). |
Veeam Explorer for Microsoft Exchange | Veeam Backup for Microsoft Office 365 management server | TCP | 9194 | This port should be open on Veeam Backup for Office 365 management server for data communication between solution components, as well as for Veeam Explorer for Microsoft Exchange clients (RESTful API and PowerShell). |
Backup proxy server | Veeam Backup for Microsoft Office 365 management server | TCP | 9191 | This port should be open on the Veeam Backup for Office 365 management server for data communication with backup proxy. |
Microsoft Exchange Online | TCP | 80, 443 | These ports are used for connection to Microsoft Exchange Online using EWS (Exchange Web Services). |
