# System Requirements for Hitachi NAS

Before you configure Hitachi NAS, verify that your environment meets the following requirements.

## Licenses

Install the following licenses.

- CIFS

- NFS

## Version and Firmware

Use the following version and firmware.

- 15.5

- 15.4

- 15.3

- 15.2

- 15.1

- 14.9

- 14.8

- 14.7

- 14.6

- 14.5

- 14.4

- 14.3

- 14.2

- 13.9

- 13.8

- 13.7

- 13.6

- 13.5

- 13.4

- 13.3

- 13.2

- 13.0

- 12.7

- REST API Version 7.0, 4.0

## Protocols

- CIFS and NFS. Support for the CIFS protocol and the NFS protocol is for network share backups only.

## Software

Install the following software.

- For Hitachi NAS versions 13.2.x and later, use the built-in metro server.

- For Hitachi NAS earlier than 13.2.x versions, install an external metro server version 4.0.

## Ports

For snapshot operations, open port 8444 between the CommServe computer or MediaAgent and the server computer.

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