# Hypervisor Support and Requirements for Agent-Based Application Backups

You can perform agent-based application backups for VSA subclients that are configured for backups with the hypervisors listed in Application Support for Hypervisors.

## Amazon

Supported with streaming or IntelliSnap VSA backups.

The Virtual Server Agent (VSA) proxy used for an agent-based application backup must meet the following requirements:

- The proxy must be a Windows instance hosted in Amazon and must be located in the same region as the instances to be backed up.

  Important

  A list of VSA proxies can be configured at the virtualization client instance or subclient level, with the list of proxies at the subclient taking precedence. Multiple proxies can be added to provide load balancing and failover capabilities. Ensure that all of the proxies that are configured to be available for agent-based application backups meet these requirements, including the requirements for streaming VSA backups and IntelliSnap application backups.

For Amazon IntelliSnap backups, the following requirements apply:

- Configure guest VM hostnames using the fully qualified domain name (FQDN) for the VM.

  If you use an IP address as the hostname for a guest VM, agent-based application backups fail and the operation creates a duplicate client entry in the form hostname_1.

- The VSA Proxy must be able to connect to guest VMs to perform remote installations of agent plug-ins.

- If a guest VM does not have a WMI port opened, install the File System Core package on the guest VM.

## Azure

Supported with streaming or IntelliSnap VSA backups.

You can perform agent-based application backups only on VMs that meet the following requirement:

- The VMs must be created using the Azure Resource Manager deployment model.

The following installation requirements apply:

- Install Commvault software on Azure access nodes.

- For remote installations, choose one of the following methods:

  - If you have configured Azure ExpressRoute, then the Commvault software successfully performs a remote install. You do not need to configure firewall and network settings.

  - If a guest VM does not have network ports opened, then complete the following tasks:

    1. Open the required network ports. For more information, see Review Firewall and Network Port Requirements.

    2. Install the File System Core package on the guest VM. For instructions, go to Enabling Remote Installation for Firewalled Environments.

## Hyper-V

Supported with streaming or IntelliSnap VSA backups.

For IntelliSnap backups, only supported for non-persistent snap engines.

The VSA proxy must be a Hyper-V server.

## Nutanix AHV

Supported with streaming or IntelliSnap VSA backups.

You can only perform agent-based application backups for VMs with disks on Nutanix storage. You cannot perform an agent-based application backup for a VM that has disks on a different storage array. LUNs configured outside of the Nutanix array are not supported.

Volume groups are not supported.

You cannot perform agent-based application backups for VMs with names that include special characters.

The Virtual Server Agent must be installed on a virtual machine in the Nutanix AHV cluster.

Note

To configure agent-based application backups for Nutanix AHV when IntelliSnap backups are enabled, see Enabling Agent-Based Application IntelliSnap Backups for Nutanix AHV.

## OpenStack

Supported with streaming VSA backups.

The VSA proxy must be a supported instance that is deployed in the OpenStack environment, and must be part of the same project as the instance that is included as subclient content for agent-based application backups.

Ensure that the operating system of the VSA proxy is consistent with the operating systems of the VMs being backed up. Use Windows proxies for a subclient that includes only Windows VMs, and Linux proxies for a subclient that includes only Linux VMs.

SSH authentication to guest VMs is not supported for agent-based application backups of OpenStack instances. To enable remote installs of application plug-ins, ensure that you configure guest VM credentials with the root user and password.

## Oracle VM

Supported with streaming VSA backups.

The VSA proxy must be a supported virtual machine.

Ensure that the operating system of the VSA proxy is consistent with the operating systems of the VMs being backed up. Use Windows proxies for a subclient that includes only Windows VMs, and Linux proxies for a subclient that includes only Linux VMs.

## Red Hat Virtualization

Supported with streaming VSA backups.

The VSA proxy must be a supported Windows virtual machine.

## VMware

Supported with streaming or IntelliSnap VSA backups.

- For streaming backups, the proxy can be a VM or a physical machine.

- You can choose to include Raw Device Maps (RDMs) and independent disks in agent-based application backups performed as part of IntelliSnap VSA backups, if applications are running on a VM hosted on ESX 5.5 or later. To include RDMs or independent disks, configure the Virtual Server subclient as described in Enable IntelliSnap Backup Operations for RDM and Independent Disks.

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