Hyper-V cannot be enabled in Windows 10 Technical Preview Build 10049


You cannot enable Hyper-V after performing a clean install of Windows 10 Technical Preview Build 10049, nor after upgrading to Build 10049 from a build that did not have Hyper-V enabled.


This problem occurs because wstorvsp.inf was not properly added to the driver store during online driver servicing.


An update is available to resolve this problem.

How to obtain this update

Windows Update

This update is available from Windows Update.


To apply this update, you must be running Windows 10 Technical Preview Build 10049.

Restart Information

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates