Configure virtual machines to use SR-IOV only when supported by the guest operating system

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

For more information about best practices and scans, see Run Best Practices Analyzer Scans and Manage Scan Results.

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.


One or more virtual machines are configured to use single-root I/O virtualization (SR-IOV), but the guest operating system does not support SR-IOV


SR-IOV virtual functions will not be allocated to the following virtual machines:

<list of virtual machines>


Disable SR-IOV on all virtual machines that run guest operating systems which do not support SR-IOV.

SR-IOV is supported only in some 64-bit Windows guests. For details, see Hyper-V feature compatibility by generation and guest.