# System Requirements for Nutanix Prism Central

## Deployment for Nutanix Prism Central AHV

You can install the Virtual Server Agent (VSA) on any virtual machine inside the Nutanix prism element (Nutanix cluster). The VSA proxy that resides inside the cluster will use the HotAdd data transfer mode and backups will be faster. At this time only hot add transport mode is supported. Hence access node has to be deployed on each cluster. You can deploy additional VSA proxies as needed for load balancing.

## System Requirements

The Commvault software is supported with Nutanix Prism Central versions 7.3.0 and 7.5.

Install the Virtual Server Agent on virtual machines that meet the following requirements:

- A minimum of 100 GB of disk space

- A minimum of 4 GB RAM, beyond the requirements of the operating system and running applications

You can deploy the Virtual Server Agent on VMs running the following operating systems:

- Windows proxies

  - Microsoft Windows Server 2025 x64 Editions (Standard, DataCenter, and Core)

  - Microsoft Windows Server 2022 x64 Editions (Standard, DataCenter, and Core)

  - Microsoft Windows Server 2019 (Standard, Datacenter) (64-bit only) x64 Editions (Standard, DataCenter, and Core)

  - Microsoft Windows Server 2016 x64 Editions (Standard, DataCenter, and Core)

  For Windows proxies, use the Windows diskpart command to disable automount and set the SAN policy to OfflineAll. If these features are enabled, they interfere with disk HotAdd operations that are performed as part of backup and restore operations.

  Note

  For Windows virtual machines protected through Nutanix Prism Central, Nutanix Guest Tools must be installed to determine the Windows operating system type.

- Linux proxies:

  - RHEL 8.x, or 9.x

  - Oracle Linux 8.x or 9.x

  - Rocky Linux 8.x or 9.x

  - Ubuntu 22 or 24

  Note

  For a machine that runs RHEL 8.x or 9.x, to install operating system packages that are required to enable automatic installation of Mono, register the machine with Red Hat.

## Limitations

- VMs that are part of a Nutanix Legacy Protection Domain cannot be backed up from Prism Central. Prism Central does not support creating recovery points for VMs that are protected by a Legacy Protection Domain. To back up these VMs, use Prism Element instead. For instructions, see Performing Backups for Nutanix AHV VMs or VM Groups.

## Port Requirements

- For application-consistent backups of user VMs, verify that user VMs can access Nutanix Prism Central controller VMs using the CVM Virtual IP (port 2074).

- Verify that the CommServe computer, the MediaAgents, and the Virtual Server Agent can communicate with Nutanix Prism Central using Prism Element port 9440.

## Moving Away from Prism Element-Based Backups

When you move from Prism Element-based backups to Prism Central-based backups, follow these steps:

1. Disable backups on the Prism Element hypervisor clients.

2. After moving to Prism Central-based backups, run full backups. For instructions, see Performing Backups for Nutanix Prism Central VMs or VM Groups.

3. To restore older backups, initiate the restore from the VM Group in Prism Element. For instructions, see Restores for Nutanix Prism Element.

Note

If VMs are part of a protection domain in Prism Element, remove them before backing them up under Prism Central. Contact Nutanix Support for assistance with the migration.

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