A memory leak occurs in the Wmiprvse.exe process when you query an iSCSI WMI class in Windows Vista or in Windows Server 2008
On a computer that is running Windows Vista or Windows Server 2008, a memory leak occurs in the Wmiprvse.exe process when you query either of the following iSCSI Windows Management Instrumentation (WMI) Classes:
Additionally, the memory usage for the Wmiprvse.exe process continues to increase. In this scenario, memory runs out and the WMI query does not respond.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB975751.