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System Requirements for Virtual Server Agent with Microsoft Hyper-V

The following requirements are for the Virtual Server Agent for Microsoft Hyper-V.

Physical Machine Operating Systems - Hyper-V Virtual Servers

  • Microsoft Hyper-V Server 2025 (including Server Core installations)

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

  • Microsoft Windows Server 2022 (including Server Core installations)

  • Microsoft Hyper-V Server 2022 (including Server Core installations)

  • Microsoft Windows Server 2019 (including Server Core installations)

  • Microsoft Hyper-V Server 2019 (including Server Core installations)

  • Microsoft Windows Server, version 1709 (including Server Core installations)

  • Microsoft Hyper-V Server, version 1709 (including Server Core installations)

  • Microsoft Windows Server 2016 (including Server Core installations)

  • Microsoft Hyper-V Server 2016 (including Server Core installations)

  • Microsoft Windows Server 2012 R2 (including Server Core installations)

  • Microsoft Hyper-V Server 2012 R2 (including Server Core installations)

  • Microsoft Windows Server 2012 (including Server Core installations)

  • Microsoft Hyper-V Server 2012 (including Server Core installations)

  • Microsoft Windows Server 2008 R2 SP1

Virtual Machine Operating Systems

All guest operating systems that are supported by Microsoft Hyper-V.

Hyper-V Integration Services

To back up the virtual machines on a Hyper-V server or cluster, Hyper-V integration services must be installed and updated on the virtual machine.

Hard Drive

100 GB is recommended.

Hardware Specifications

For information about hardware requirements for the Virtual Server Agent, see Hardware Specifications for Virtual Server Agent.

Allocation Unit Size of the NTFS Volumes

The cluster size or the allocation unit size of an NTFS volume in a virtual machine must be a multiple of 1024 bytes. You can set the cluster size before formatting a volume. The default cluster size is 4096 bytes.

Microsoft Visual C++

The following redistributed packages are installed automatically. The redistributable packages can co-exist with other versions of the Commvault software.

  • Microsoft Visual C++ 2013 Redistributable Package

  • Microsoft Visual C++ 2017 Redistributable Package

Notes on Virtual Server Agent Installations for Hyper-V

The Virtual Server Agent is installed directly onto the Hyper-V Server.

DISCLAIMER

Certain third-party software and service releases (together, "Releases") may not be supported by Commvault. You are solely responsible for ensuring Commvault’s products and services are compatible with any such Releases.

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