This article is intended to provide more information about a specific issue that can be identified by running a Best Practices Analyzer scan for Hyper-V. It also can be used without running a scan, as general troubleshooting and best practice information to help you configure your server appropriately. If you have troubleshooting steps or information that would improve this article, please add it. For instructions on how to edit a TechNet Wiki article, see Wiki: How to Use the Editor.
For more information about best practices and scans, see Run Best Practices Analyzer Scans and Manage Scan Results.
Note: The following sections provide details about the specific issue. Italics indicates UI text that appears in the Best Practices Analyzer tool for the specific issue.
Impact
This configuration might cause overall CPU utilization to be higher than necessary. Networking performance might not be optimal on the following virtual machines: <list of virtual machines>
Resolution
Consider configuring the virtual network adapter for SR-IOV if the physical hardware supports SR-IOV and if this configuration does not conflict with the networking features required by the virtual machine.