Use at least SMB protocol version 3.0 configured for continuous availability on file shares that store files for virtual machines

Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016

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Property Details
Operating System Windows Server 2016
Product/Feature Hyper-V
Severity Warning
Category Configuration

In the following sections, italics indicates UI text that appears in the Best Practices Analyzer tool for this issue.

Issue

Virtual machine files or virtual hard disk files are stored on a network file share that is not configured with the continuous availability feature of SMB protocol version 3.0.

Impact

Microsoft does not recommend this configuration because it might impact the availability of the virtual machines using the server. This impacts the following virtual machines:

<list of virtual machines>

Resolution

Do one of the following:

  • Move the files to an SMB 3.0 file share that is configured for continuous availability.

  • Reconfigure the current file share to provide continuous availability.