# Requirements for Application-Aware Backups

To support application-aware backups, you must ensure that the environment is correctly configured. You must also understand the requirements that apply for each hypervisor and for each supported application.

## Workflow Requirements

To perform application-aware backups, the workflow engine must be installed with the CommServe system.

## License Requirements

In addition to the license requirements for the Virtual Server Agent, application-aware backups require the following licenses:

- Application backups that are performed as a part of a VSA application-aware backup require the Hardware Snapshot Enabler license.

- Application-aware backups consume an Application Class Virtual license for each protected VM. Application-aware backups of virtual machines are counted against the Application Class Virtual license and do not count toward capacity usage or traditional application agent licenses.

## Virtual Server Agent (VSA) Proxy

The VSA proxy used for an application-aware backup must meet the following requirements:

- MediaAgent software must be installed.

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

- For VMware IntelliSnap backups, the proxy must reside on a virtual machine on the same vCenter server as the virtual machines that will be backed up.

- For Hyper-V, the VSA proxy must be a Hyper-V server.

Important

A list of VSA proxies can be configured for a hypervisor. Multiple proxies can be added to provide load balancing and failover capabilities. Verify that all of the proxies that are configured to be available for application-aware backups meet these requirements, including the requirements for streaming or IntelliSnap backups.

## Upgrades

If the CommServe system has been upgraded to V11, VSA proxies must also be upgraded.

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