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Hyper-V: Second-level address translation is required when running virtual machines enabled for RemoteFX

  • Article

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 Best Practices Analyzer.

Operating System

Windows Server 2012

Product/Feature

Hyper-V

Severity

 Error

Category

 Configuration

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.

Issue

Virtual machines enabled with a RemoteFX 3D video adapter require a physical computer with a processor that supports second level address translation (SLAT).

Impact

Microsoft does not support the use of RemoteFX on a server with processors that do not provide SLAT.

Resolution

Move the RemoteFX-enabled virtual machines to a physical computer that has processors with SLAT.

Additional references