# System Requirements for the Dell EMC Storage Center (DSM) Storage Array

Before you configure the storage array, verify that your environment meets the system requirements.

## Licenses

Install the following licenses.

Snapshot type | Licenses
--- | ---
Snapshot | Data Instant Replay (snapshots) Remote Instant Replay (replication) Live Volume

## Version and Firmware

Use the following version and firmware.

Array | Dell Storage Center | Dell Storage Manager (DSM) | API
--- | --- | --- | ---
Dell EMC Storage Center (DSM) | 7.5.1 | 2020 R1 build 20.1.1.716 | 6.0
| 7.4.2 | 2019 R1 build 19.1.579 | 5.0
| 7.3.2.48 | 2018 R1.10 build 18.1.10.171 | 5.0
| 7.2.11.4 | 2016 R3.20 build 16.3.20.22 |

## Protocols

Use one of the following protocols.

Array | Protocols
--- | ---
Dell EMC Storage Center (DSM) | Fibre Channel iSCSI

## Software

Install the following software.

Array | Required software
--- | ---
Dell EMC Storage Center (DSM) | Dell EMC Storage Manager: Dell EMC Storage Manager client, Dell EMC Storage Manager data collector, and Dell EMC Storage Manager Server The computer where you install the Dell EMC Storage Manager and its components does not need to be a client computer in the Commvault software.

## Ports

For snapshot backup operations from the Commvault software, open port 3033 between Dell EMC Storage Manager, MediaAgents, and client computers.

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