Required communication ports

Before you install Data Protection for Microsoft Hyper-V, ensure that specific communication ports are open in the firewall.

The following TCP ports are used by Data Protection for Microsoft Hyper-V. These ports must be open on each computer's respective firewall.

Table 1. Required communication ports for Data Protection for Microsoft Hyper-V
Computer Function Inbound TCP Ports Outbound TCP Ports
Hyper-V host All 1581, 1582, 3260, 9081 135, 445, 1500, 1581, 9081
Windows VM File restore, application protection 135, 445 Does not apply
Linux mount proxy File restore 1581 22, 1581, 3260
Linux VM File restore 22 Does not apply

The following table shows what ports are used by what components.

Table 2. Communication ports that are used by components
Component TCP Ports
SSH 22
WMI 135, 445
IBM Spectrum Protect server 1500
Client acceptor (CAD) 1581, 1582
iSCSI 3260
REST API 9081
Restriction: The Windows mount proxy on the Hyper-V host and the Linux mount proxy must be on the same subnet to support iSCSI traffic.

If any of these ports are changed during the configuration, the firewall rules must be updated.