For more information about best practices and scans, see Run Best Practices Analyzer Scans and Manage Scan Results.
Windows Server 2012
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.
The Windows Filtering Platform (WFP) virtual switch extension is disabled.
Some third party virtual switch extensions may not operate correctly on the following virtual switches: <list of virtual machines>
Use the Windows PowerShell cmdlet, Enable-VMSwitchExtension, to enable the Windows Filtering Platform if it is required by third party extensions.