Patch for Hyper-V – Potential Performance Issue – KB972045

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By Mikael Nystrom on July 16, 2009 • ( Leave a comment )

So new patch is up for Hyper-V is up for download

This issue occurs because the Virtual Machine Worker process (Vmwp.exe) releases pointer icons by using a function that causes handle leak. Over time, the system runs out of resources, and then the system stops responding.’

When you open the Hyper-V Manager, the connection to a virtualization server fails and a red ‘X’ appears next to the name of the virtualization server.

The system responds slowly, and the processes and services on the virtualization server fail and then generate exceptions.

The handle count of the Virtual Machine Worker process (Vmwp.exe) is very large.

http://support.microsoft.com/default.aspx?scid=kb;en-us;972045

Please note that this patch is a “View and request hotfix downloads “

/mike