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.
Issue
One or more virtual machines are configured to use Dynamic Memory with less than the amount of memory required for Windows 7.
Impact
The guest operating system on the following machines might not run or might run unreliably: <list of virtual machines>
Resolution
Use Hyper-V Manager or Windows PowerShell to increase the minimum memory to at least 256 MB, and the startup memory and maximum memory to at least 512 MB.