# System Requirements for the Dell EMC Unity Storage Array

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

## Licenses

Install the following licenses:

Array | Snapshot Type | License
--- | --- | ---
Dell EMC Unity | snapshot | None

## Protocols

Ensure that at least one of the following protocols is available:

Array | Protocol
--- | ---
Dell EMC Unity | CIFS, NFS Support for the CIFS protocol and the NFS protocol is for network share backups only. NDMP Snapshot cataloging and live browse operations are supported only if the Linux/UNIX shares (NFS) option or the Multiprotocol Shares (SMB and NFS) option is selected while creating the File System in the Dell EMC Unity Filer. Browsing from a backup copy is supported for File Systems created using NFS, SMB, or multiprotocol. Fibre Channel LUN over iSCSI

## Firmware and Models

Ensure that you are using compatible firmware and models:

Array | Firmware | Models
--- | --- | ---
Dell EMC Unity | 5.5 5.4 5.3.1 5.2.0 5.1.2.0.5.007 5.0.6.0.5.008 5.0.3 5.0.2.0.5.009 4.5.1 4.4.0 4.3.1 4.2.1 4.1.2 4.1.0 | Unity 600/500/400/300 Unity 650F/550F/450F/350F Unity VSA

## Software

Install the following software components:

Array | Required Software
--- | ---
Dell EMC Unity | None

## Ports

For snapshot backup operations from the Commvault software, open port 443 between server computers, MediaAgents, and client computers.

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