# Installing Antivirus or Third Party Monitoring Tools on Commvault Grid

## Disclaimer

Commvault's Commvault Grid is a scale-out platform dedicated to data protection. Commvault supports the software stack consisting of the operating system and HyperScale software on the Commvault Commvault Grid nodes and is responsible for upgrades pertaining to these components. Upgrades are performed through a centralized process from the CommServe.

It is beyond the scope of Commvault to manage third-party software, including antivirus tools and hardware monitoring utilities. If you choose to install any third-party software on HyperScale nodes, consider the following:

- Responsibility: You are solely responsible for updating, maintaining, and managing any antivirus or third-party monitoring tools installed on the nodes.

- Performance Impact: Third-party software may adversely affect the performance of HyperScale nodes.

- Stability and Compatibility Risks:

  - Installing third-party monitoring tools with kernel extensions or additional RPM dependencies (other than those shipped as part of the HyperScale image) could cause system instability.

  - Such tools may also prevent the operating system on the nodes from being updated.

  - If these issues occur, the third-party tools must be uninstalled.

- Data Consistency and Resiliency Risks: System crashes resulting from third-party tools may cause data consistency issues and could affect node availability, impacting resiliency requirements.

- Software Upgrade Compatibility: Third-party software configurations may be affected by HyperScale software upgrades. It is essential to validate all antivirus and third-party tool functionalities after a Commvault software upgrade.

## Antivirus Exclusions

If you plan to install antivirus software, ensure the following exclusions are applied:

- VM Hosting the CommServe: Antivirus can be installed on the VM with the exclusions listed in Recommended Antivirus Exclusions for Windows.

- HyperScale Nodes: Antivirus can be installed on HyperScale nodes with the exclusions listed in Recommended Antivirus Exclusions for Commvault Commvault Grid.

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