Hotfixes that were rolled-up to 976932 — Windows 7 and Windows Server 2008 R2 Service Pack 1 (SP1)

• 970413 — The Win32_Process class returns incorrect CreationDate property during the first week after daylight saving time begins or ends
• 974930 — An application or service that queries information about a failover cluster by using the WMI provider may experience low performance or a time-out exception
• 976443 — Stop error message when you retrieve WMI connection statistics for iSCSI after you change the iSCSI configurations on a computer that is running Windows Server 2008 R2 or Windows 7: "0x00000019 BAD_POOL_HEADER"
• 977357 — A memory leak issue occurs in the Windows Management Instrumentation service on a computer that is running Windows Server 2008 R2 or Windows 7
• 977589 — An application or a service that uses the Wmiaprpl.dll module crashes when the application or the service enumerates the returned performance objects under the HKEY_PERFORMANCE_DATA registry key
• 981314 — The "Win32_Service" WMI class leaks memory in Windows Server 2008 R2 and in Windows 7
• 982293 — The Svchost.exe process that has the WMI service crashes in Windows Server 2008 R2 or in Windows 7
• 2280777 — A Wmiprvse.exe process crashes in Windows Server 2008 R2 when you use the WMI interface to query the hardware status on a computer that supports the IPMI standard

Hotfixes that were released after Windows 7 and Windows Server 2008 R2 Service Pack 1 (applicable to both RTM and SP1 systems)

• 2465990 — "0x80041002 (WBEM_E_NOT_FOUND)" error occurs when you try to open a WMI namespace on a computer that is running Windows 7 or Windows Server 2008 R2
• 2470949 — The RegQueryValueEx function returns a very large incorrect value for the "Avg. Disk sec/Transfer" performance counter in Windows Server 2008 R2 or in Windows 7
• 2505348 — High CPU usage or a lengthy startup process occurs during WMI repository verification when a large WMI repository exists in Windows 7 or in Windows Server 2008 R2
• 2547244 — The WMI service and the WMI providers stop responding when you use WMI performance classes to monitor performance on a computer that is running Windows 7 or Windows Server 2008 R2
• 2492536 — Msinfo32.exe takes a long time to display or export system information on a computer that has many MSI-X-supported devices and that is running Windows 7 or Windows Server 2008 R2
• 2617858 — Unexpectedly slow startup or logon process in Windows Server 2008 R2 or in Windows 7
• 2613988 — Changes to performance counters are not updated for at least 15 minutes when you use WMI to query performance counter values in Windows 7 or in Windows Server 2008 R2
• 2639505 — Loaded user profiles cannot be unloaded after you run WMI queries for the Win32_StartupCommand class in Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2
• 2655244 — You cannot enumerate 32-bit applications by using the SNMP service in Windows Server 2008 R2
• 2664203 — "Invalid XML content" error message when you run a WMIC command in Windows 7 or in Windows Server 2008 R2
• 2692929 — "0x80041001" error when the Win32_Environment WMI class is queried by multiple requestors in Windows 7 or in Windows Server 2008 R2
• 2697479 — Memory leak in Wmiapsrv.exe on a computer that is running Windows Server 2008 R2 or Windows 7

Not Hotfixes (just useful WMI troubleshooting articles applicable for all releases of Windows 7 and Windows Server 2008 R2)

• 2260600 — Remote WMI Query Fails with error: Failed to connect to // because "Win32: the parameter is incorrect."
• 2482874 — WMI consumers that register for instance modification events from the MSVM_ComputerSystem class in the root\virtualization namespace may receive more events than expected