Applies to:

Windows Vista Service Pack 2
Windows Vista SP2 

Windows Server 2008 Service Pack 2
Windows Server 2008 SP2
W2K8 Service Pack 2
W2K8 SP2
Windows Server 2008 (R1) Service Pack 2
Windows Server 2008 (R1) SP2
W2K8 (R1) Service Pack 2
W2K8 (R1) SP2

Note: You should check http://support.microsoft.com for the latest version of the different files.

List of Performance related hotfixes post SP2 for Windows Server 2008 (R1) SP2 as of May 2012.

2684537 Performance counter instance for the Distributed Transaction Coordinator performance object does not function as expected in Windows Server 2008
http://support.microsoft.com/?id=2684537

2677323 Handle leak when an application collects performance data in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=2677323

2675625 "Network error" or "Filename not valid" error message when you access an NFS share from a computer that is running Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2
http://support.microsoft.com/?id=2675625

2665803 Slow network file transfer if KB 2251177 is installed on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=2665803

2655998 Long logon time when you establish an RD session to a Windows Server 2008 R2-based RD Session Host server if Printer Redirection is enabled
http://support.microsoft.com/?id=2655998

2654097 New event log entries that track NTLM authentication delays and failures in Windows Server 2008 R2 are available
http://support.microsoft.com/?id=2654097

2652531 FIX: Decreased performance when you load flow documents in a WPF application that targets the .NET Framework 4
http://support.microsoft.com/?id=2652531

2643185 FIX: Issues may occur when you deploy an ASP.NET 2.0-based application that communicates with Exchange Server when a SharePoint site is running IIS 7.0 or IIS 7.5 in Integrated mode
http://support.microsoft.com/?id=2643185

2641683 Some performance data of a remote computer is missing from a CSV-formatted log in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=2641683

2582281 Slow failover operation if no router exists between the cluster and an application server
http://support.microsoft.com/?id=2582281

2579921 BITS peer caching does not work in a domain that has a disjoint namespace on a Windows Vista-based or Windows Server 2008-based computer
http://support.microsoft.com/?id=2579921

2571564 Add Printer Wizard lists published printers in AD DS slowly in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2571564

2571181 FIX: Computer stops responding when the Mscorsvw.exe process starts in the .NET Framework 4
http://support.microsoft.com/?id=2571181

2565600 FIX: The performance of a .NET Framework 4-based WCF service becomes poor when the deserialization of large datasets occurs
http://support.microsoft.com/?id=2565600

2563727 "0x000000BE" Stop error when you install Windows Vista or Windows Server 2008 if more than two AMD Bulldozer-based 16-core processors are installed
http://support.microsoft.com/?id=2563727

2553708 A hotfix rollup that improves Windows Vista and Windows Server 2008 compatibility with Advanced Format disks
http://support.microsoft.com/?id=2553708

2534985 The virtualized application or the system crashes in Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2
http://support.microsoft.com/?id=2534985

2525064 Ntfs.sys driver takes a long time to mount a large volume in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=2525064

2517752 "0x0000000A" Stop error occurs during the shutdown process on a computer that is running Windows Server 2008 and that has more than 64 processors installed
http://support.microsoft.com/?id=2517752

2495300 Invalid "Avg. Disk sec/Transfer" value returned by the RegQueryValueEx function in Windows Server 2008 or in Windows Vista
http://support.microsoft.com/?id=2495300

2479235 CPU utilization of the print spooler service occasionally spikes in Windows Server 2008
http://support.microsoft.com/?id=2479235

2467309 FIX: The String.IndexOf method takes longer than expected to finish, and .NET Framework 4.0 performance decreases significantly
http://support.microsoft.com/?id=2467309

2462317 An XPS printer is very slow to print graphics in Windows Vista SP2 and in Windows Server 2008 SP2
http://support.microsoft.com/?id=2462317

2457836 The call operation fails with error code "0x800706f7" when you run an application that calls the OleCreateFromFile() function to create an embedded object from the contents of a named file in a 64-bit version of Windows Vista or Windows 7
http://support.microsoft.com/?id=2457836

2425165 Query that has an "order by" clause runs slowly in the .NET Framework 4.0 if WCF Data Services exposes a table that has a clustered index
http://support.microsoft.com/?id=2425165

2414106 You cannot remotely query version 2.0 performance counters on a computer that is running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=2414106

2379016 A computer that is running Windows Vista or Windows Server 2008 stops responding and hangs at the "Applying User Settings" stage of the logon process
http://support.microsoft.com/?id=2379016

2278855 FIX: It takes a long time to add a new website in a shared hosting environment on a web server that is running IIS 7.0 or IIS 7.5
http://support.microsoft.com/?id=2278855

2277440 Stop error message “0x000000D1” occurs in MSDSM.sys on a computer that is running Windows Server 2008
http://support.microsoft.com/?id=2277440

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
http://support.microsoft.com/?id=2268318

2121690 The Windows Deployment Service cannot be started on a computer that has more than 20 logical processors and that is running Windows Server 2008 R2 or Windows Server 2008
http://support.microsoft.com/?id=2121690

2028603 A Data Collector Set may not restart after the stop condition is met in Performance Monitor on a Windows Vista or Windows Server 2008-based computer
http://support.microsoft.com/?id=2028603

2028484 You experience poor performance when you use Kerberos authentication to connect to lots of remote computers at the same time from a computer that is running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=2028484

983458 You cannot save documents to a folder or change the permission settings of folders on a SMB 1.0-based remote server from a Windows-based computer that has security update 980232 (MS10-020) installed
http://support.microsoft.com/?id=983458

983434 FIX: The Performance Monitor counters for the Host Integration Server 2009 Session Integration feature are disabled by default unexpectedly
http://support.microsoft.com/?id=983434

983182 A hotfix is available for performance issues in Windows Communication Foundation for the .NET Framework 4.0
http://support.microsoft.com/?id=983182

982922 Data corruption occurs when you use an IPsec NAT-T connection in Windows Vista SP2 or in Windows Server 2008 SP2
http://support.microsoft.com/?id=982922

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

981964 You experience low performance when you access many small files on an SMB version 1 protocol-enabled remote server from a Windows Vista or Windows Server 2008-based client computer
http://support.microsoft.com/?id=981964

980951 FIX: A workflow takes a long time to open when you use the workflow designer in a .NET Framework 3.5 SP1-based solution
http://support.microsoft.com/?id=980951

980941 The Storage Explorer Microsoft Management Console (MMC) snap-in window crashes on a computer that is running Windows Vista, Windows 7, Windows Server 2008 or Windows Server 2008 R2 when you use the snap-in to monitor HBA status
http://support.microsoft.com/?id=980941

979458 The values of logical disk performance counters are set to "0" for all dynamic disk volumes on a computer that is running Windows Vista SP2 or Windows Server 2008 SP2
http://support.microsoft.com/?id=979458

979308 Windows PE 2.1 takes a long time to start from an ATAPI hard disk
http://support.microsoft.com/?id=979308

978520 The performance of a WPF application that contains many visual elements becomes slow when a UI Automation client application is running
http://support.microsoft.com/?id=978520

978344 The Storage Explorer MMC snap-in window crashes if a Fibre Channel HBA is installed in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=978344

977926 An invalid value for the elapsed time appears when you use a WDM driver on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=977926

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
http://support.microsoft.com/?id=977589

976394 FIX: A hotfix is available that makes the SecurityMessageProperty.OutgoingSupportingToken property public in the Microsoft .NET Framework 3.5 Service Pack 1
http://support.microsoft.com/?id=976394

975798 The W3wp.exe process consumes 100% of CPU resources on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=975798

975710 Operating system deployment over a network by using WDS fails in Windows Server 2008 and in Windows Server 2008 R2
http://support.microsoft.com/?id=975710

975363 You are intermittently prompted for credentials or experience time-outs when you connect to Authenticated Services
http://support.microsoft.com/?id=975363

974878 PhysicalDisk counters contain invalid and duplicate entries when you use Microsoft Multipath I/O (MPIO) to control one or more storage devices
http://support.microsoft.com/?id=974878

974729 The Chkdsk.exe utility does not detect and fix a corrupted file that contains a non-resident TXF_DATA attribute in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=974729

974605 The Data Collector Set may not start on a computer that is running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=974605

974248 The log file size grows larger than the maximum file size limit that was set in Performance Monitor if you select a Comma Separated log format or a Tab Separated log format on a computer that is running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=974248

974090 An update is available that allows for a potential power saving on a multicore processor that is running an x64-based version of Windows Vista SP2 or of Windows Server 2008 SP2
http://support.microsoft.com/?id=974090

974073 An update for the Msahci.sys driver has been released for AMD chipsets
http://support.microsoft.com/?id=974073

973554 Performance is significantly reduced when you copy or write small files from a computer that is running Windows Vista or Windows Server 2008 into a shared folder that is hosted on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=973554

972616 You cannot use the "runas" command to print from different user accounts in a single session from a 32-bit program on a computer that is running 64-bit version of Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=972616

972596 A computer that is running Windows Server 2008 or Windows Vista may stop responding when an application or service accesses the shared resources by using the SMB protocol
http://support.microsoft.com/?id=972596

972045 Slow system response together with many other performance issues occur on a virtualization server that is running Windows Server 2008 and that has the Hyper-V role installed
http://support.microsoft.com/?id=972045

971841 FIX: You experience performance issues when you run a .NET Framework 3.5-based WCF service that uses TCP transport and enables channel caching under heavy load conditions
http://support.microsoft.com/?id=971841

971831 FIX: A hotfix that adds a SecurityBindingElement.AllowInsecureTransport property that allows the mixed-mode secured message to be sent over an unsecured transport in WCF is available for the .NET Framework 3.5 SP1
http://support.microsoft.com/?id=971831

971442 The system performance of the server becomes severely decreased when you try to copy files from a server that is running Windows Vista or Windows Server 2008 through a network
http://support.microsoft.com/?id=971442

971404 You encounter poor performance after thousands of IP addresses are bound to a network adapter on a computer that is running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=971404

971279 The first attempt to eject a removable cartridge disk drive fails on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=971279

971203 The memory usage of the DFS Replication service keeps increasing on a PDC emulator or on a writable domain controller that is running Windows Server 2008 during the SYSVOL share replication process
http://support.microsoft.com/?id=971203

970987 You encounter slow performance when you render .jpg files on a computer that is running an x64-based version of Windows Server 2008 or of Windows Vista
http://support.microsoft.com/?id=970987

970967 WMI performance counter classes that are based on the Performance Monitoring Provider do not work or return incorrect data in Windows Vista and Windows Server 2008
http://support.microsoft.com/?id=970967

970887 Performance issues occur when Windows Rights Management Services client has very large files associated with an RMS policy
http://support.microsoft.com/?id=970887

970691 FIX: Error message when you use the OpenRemote method to administer Web servers remotely in an IIS 7.0 shared configuration environment: "Cannot write configuration file due to insufficient permissions"
http://support.microsoft.com/?id=970691

970480 Driver is not installed when you try to install a third-party device driver on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=970480

970312 A crash dump file is not generated as expected when you use certain iSCSI network adapters on a Windows Server 2008-based computer
http://support.microsoft.com/?id=970312

969670 SMB 2.0 protocol-related performance counters return extremely high values on computers that are running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=969670

969468 Performance is slow on a multiprocessor computer that is running Windows Server 2008 or Windows Vista
http://support.microsoft.com/?id=969468

969084 Description of the Remote Desktop Connection 7.0 client update for Remote Desktop Services (RDS) for Windows XP SP3, Windows Vista SP1, and Windows Vista SP2
http://support.microsoft.com/?id=969084

968991 File copying from down-level systems to Windows Vista or Windows Server 2008 is significantly slower if Intel I/OAT is enabled
http://support.microsoft.com/?id=968991

961435 Some base values are not updated when you use the Win32_PerfRawData_PerfDisk_LogicalDisk WMI class to calculate performance data in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=961435

960670 IPv6 network adapters are reinstalled when network connectivity is restored on a computer that is running Windows Vista or Windows Server 2008
http://support.microsoft.com/?id=960670