Applies to:

Windows Server 2008 R2 Release To Manufacturing [Service Pack 0, No Service Pack]

W2K8 R2 Release To Manufacturing

Windows Server 2008 R2 RTM

W2K8 R2 RTM

List of Performance Monitor related hotfixes post RTM for Windows Server 2008 R2 as of October 21st, 2011:

2581359 The PdhEnumObjects function used together with the bRefresh parameter does not function correctly in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2581359
    Update(s):
        Advapi32.dll 6.1.7600.21011
        Pdh.dll 6.1.7600.21011 
        Pla.dll 6.1.7600.21011 
        Plamig.dll 6.1.7600.16385 
        Plasrv.exe 6.1.7600.16385 
        Report.system.common.xml
        Report.system.configuration.xml 
        Report.system.cpu.xml
        Report.system.diagnostics.xml 
        Report.system.disk.xml 
        Report.system.memory.xml 
        Report.system.network.xml 
        Report.system.performance.xml 
        Report.system.summary.xml  
        Rules.system.common.xml 
        Rules.system.configuration.xml 
        Rules.system.cpu.xml 
        Rules.system.diagnostics.xml 
        Rules.system.disk.xml 
        Rules.system.finale.xml 
        Rules.system.memory.xml 
        Rules.system.network.xml 
        Rules.system.performance.xml 
        Rules.system.summary.xml 
        System diagnostics.xml 
        System performance.xml 
    Supersede(s):
        2268318 Duplicated data may be in the Performance log when you use the Performance Logs and Alerts service to collect performance data in Windows Server 2008, in Windows Vista, in Windows 7, or in Windows Server 2008 R2

2563399 Remote Registry service leaks memory when it handles customized v2 performance counter queries in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2563399
    Update(s):
        Regsvc.dll 6.1.7600.21009 160,768 15-Jul-2011 07:24 

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
http://support.microsoft.com/?id=2613988
    Update(s):
        Wmiperfclass.dll 6.1.7600.21055
        Wmiperfclass.mof
        Wmiperfinst.dll 6.1.7600.16385
        Wmiperfinst.mof
        Wmiperfinst.dll 6.1.7600.16385
        Wmiperfinst.mof

    Supersede(s):
        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
 
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
http://support.microsoft.com/?id=2470949
    Update(s):
        Agp440.sys 6.1.7600.16385
        Isapnp.sys 6.1.7600.16385 
        Msisadrv.sys 6.1.7600.16385 
        Mssmbios.sys 6.1.7600.16385 
        Nv_agp.sys 6.1.7600.16385 
        Pci.sys 6.1.7600.20861 
        Streamci.dll 6.1.7600.16385 
        Swenum.sys 6.1.7600.16385 
        Termdd.sys 6.1.7600.20861 
        Uliagpkx.sys 6.1.7600.16385 
        Vdrvroot.sys 6.1.7600.16385 
        Volmgr.sys 6.1.7600.20861 
        Agp440.sys 6.1.7600.16385 
        Isapnp.sys 6.1.7600.16385 
        Msisadrv.sys 6.1.7600.16385 
        Mssmbios.sys 6.1.7600.16385
        Nv_agp.sys 6.1.7600.16385 
        Pci.sys 6.1.7601.21624 
        Streamci.dll 6.1.7600.16385
        Swenum.sys 6.1.7600.16385 
        Uliagpkx.sys 6.1.7600.16385
        Vdrvroot.sys 6.1.7600.16385

982303 Terminal Services performance counters report an incorrect number of sessions when a heavy load situation occurs in Windows Server 2008 R2 or in Windows Server 2008
http://support.microsoft.com/?id=982303
    Update(s):
    Lsm.exe 6.1.7600.20708