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Veeam Backup & Replication 9.5
Veeam Backup Explorers User Guide

Used Ports

Backup

The following table describes network ports that must be opened to ensure proper communication with the runtime coordination process deployed inside the Microsoft Exchange Server guest OS for application-aware processing during the backup.

From

To

Protocol

Port

Notes

Veeam backup server
or
Guest interaction proxy
(in Enterprise and
Enterprise Plus
editions)

 

Exchange Server VM guest OS

TCP, UDP

135, 137-139, 445

Ports required to deploy the runtime coordination process on the VM guest OS.

TCP

6005-65535

Dynamic RPC port range used by the runtime coordination process deployed inside the VM guest OS for application-aware processing (when working over the network).*

Note that Exchange 2010 and higher (in particular, Client Access) expands standard Windows dynamic RPD port range - this allows for better scalability. For more information, see https://technet.microsoft.com/en-us/library/ee332317(v=exchg.141).aspx.

 

Exchange Server VM guest OS

Veeam backup server or Guest interaction proxy (in Enterprise and Enterprise Plus editions)

TCP

6005-65535

Dynamic RPC port range used by the runtime coordination process deployed inside the VM guest OS for application-aware processing (when working over the network).*

Note that Exchange 2010 and higher (in particular, Client Access) expands standard Windows dynamic RPC port range - this allows for better scalability. For more information, see https://technet.microsoft.com/en-us/library/ee332317(v=exchg.141).aspx.

* - During setup, Veeam Backup & Replication automatically creates a firewall rule for the runtime process. However, if you use firewall settings other than default ones, or if application-aware processing fails with the “RPC function call failed” error, you need to configure dynamic RPC ports manually.

Restore

The following table describes network ports that must be opened to ensure proper communication with Microsoft Exchange Server during application-item restore.

From

To

Protocol

Port

Notes

Veeam backup server/standalone console

Microsoft Exchange 2003/2007 CAS Server

TCP

80, 443

WebDAV connections

Microsoft Exchange 2010/2013/2016 CAS Server

TCP

443

Microsoft Exchange Web Services Connections

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