Ben Christenbury, Roger Southgate, Mark Renoden and other fellow PFE’s and the Supportability Program Managers (SPM’s) created this list to optimize your Windows 7 SP1 experience.  Enjoy.

Applies to:

Windows Server 2008 R2 Service Pack 1
Windows Server 2008 R2 SP1
W2K8 R2 Service Pack 1
W2K8 R2 SP1

Windows 7 Service Pack 1
Windows 7 SP1
Win7 Service Pack 1
Win7 SP1

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

Note 2:  These are not available in Windows Update.

Note 3:  You can download them without entering your e-mail address and captcha if you are a Microsoft Premier customer and have a http://premier.microsoft.com/ account.

Note 4:  Carefully review the list and decide which might be applicable to your unique environment.

Note 5:  Test in your test and your quality assurance environment.

 

List of Performance related hotfixes post SP1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 as of Aug. 2014.

Originally published Feb. of 2012.  Updated May 2012, Jun. 2012, Sep. 2012, Mar. 2013, Sep.2013 and Aug. 2014

 

 

2966921 No event ID 100 is logged in the Diagnostics-Performance log when you start Windows 7 SP1

Update(s):

Diagperf.dll  6.1.7601.22680

 

2956985 Hotfix Package 4 for Microsoft Application Virtualization 5.0 SP2

 

2951611 DirectAccess is used for internal network connections in Windows 7 SP1

Update(s):

Iphlpsvc.dll  6.1.7601.22670

Iphlpsvcmigplugin.dll  6.1.7601.22124

Netcorehc.dll  6.1.7601.22124 

 

2939180 RDP session freezes when you connect to a remote virtual machine that is running Windows 7 SP1

Update(s):

Rdpcorets.dll  6.2.9200.20978

Rdpgrouppolicyextension.dll  6.2.9200.20883

Rdpudd.dll  6.2.9200.20978  221,184 

Rdpvideominiport.sys  6.2.9200.16398

Terminalserver-winip.admx 

 

2928496 Wmiprvse.exe freezes in Windows 7 or Windows Server 2008 R2

Update(s):

Netcfgx.dll  6.1.7601.22586 

Nci.dll  6.1.7601.22586 

Nci.mof

Netcfgx.dll  6.1.7601.22586 

Nci.dll  6.1.7601.22586

Nci.mof

 

2928134 Slow performance when restarting a COM+ application in Windows

Update(s):

Api-ms-win-core-rtlsupport-l1-1-0.dll        6.1.7601.22580

Api-ms-win-core-string-l1-1-0.dll 6.1.7601.22580

Api-ms-win-core-synch-l1-1-0.dll 6.1.7601.22580

Api-ms-win-core-sysinfo-l1-1-0.dll             6.1.7601.22580

Api-ms-win-core-threadpool-l1-1-0.dll     6.1.7601.22580

Api-ms-win-core-util-l1-1-0.dll     6.1.7601.22580

Api-ms-win-core-xstate-l1-1-0.dll              6.1.7601.22580

Api-ms-win-security-base-l1-1-0.dll           6.1.7601.22580

Conhost.exe       6.1.7601.22580

Instnm.exe          6.1.7601.22580

Kernel32.dll         6.1.7601.22580

Kernelbase.dll     6.1.7601.22580

Ntvdm64.dll        6.1.7601.22580

Setup16.exe        3.1.0.1918

User.exe              6.1.7601.22580

Winsrv.dll            6.1.7601.22580

Wow32.dll          6.1.7601.22580

Wow64.dll          6.1.7601.22580

Wow64cpu.dll    6.1.7601.22580

Wow64win.dll    6.1.7601.22580

 

2920591 High CPU usage and performance issues occur when access-based enumeration is enabled in Windows 7 Service Pack 1 or Windows Server 2008 R2 Service Pack 1

Update(s):

Srv2.sys  6.1.7601.22547 

 

2915094 Profile loading takes a long time due to full DFS namespace sync with PDC

Update(s):

Profprov.dll  6.1.7601.22575 

Profsvc.dll  6.1.7601.22575 

Profsvc.ptxml 

Userprofilewmiprovider.mof

 

2914677 Server Work Queues performance object counters become abnormally high in Windows Server 2008 R2

Update(s):

Srvnet.sys  6.1.7601.22548

Srv2.sys  6.1.7601.22548 

 

2893634 Performance of an application that calls the GetFileAttributesEx function degrades significantly in Windows 7 SP1 or Windows Server 2008 R2 SP1

Update(s):

Rdbss.sys  6.1.7601.22476 

 

2888049 Update is available that improves the network performance of Internet Explorer 11 in Windows

Update(s):

Netio.sys             6.1.7601.17939

Netio.sys             6.1.7601.22457

Fwpkclnt.sys       6.1.7601.18042

Tcpip.sys              6.1.7601.18254

Fwpkclnt.sys       6.1.7601.22444

Tcpip.sys              6.1.7601.22444

Mswsock.dll        6.1.7601.18254

Mswsock.dll        6.1.7601.22444

Afd.sys  6.1.7601.18264

Afd.sys  6.1.7601.22457

Mswsock.dll        6.1.7601.18254

Mswsock.dll        6.1.7601.22444

 

2877211 Performance Monitor uses incorrect calculation for certain types of counters in Windows 8, Windows Server 2012, Windows 7 SP1, or Windows Server 2008 R2 SP1

Update(s):

Pdhui.dll  6.1.7601.22502 

Perfmon.exe  6.1.7601.17514  

Perfmon.msc  Not applicable  

Resmon.exe  6.1.7600.16385  

Sysmon.ocx  6.1.7601.22502  

Wdc.dll  6.1.7601.22502  

Wvc.dll  6.1.7601.22502  

Pdhui.dll  6.1.7601.22502 

Perfmon.exe  6.1.7601.17514  

Perfmon.msc 

Resmon.exe  6.1.7600.16385 

Sysmon.ocx  6.1.7601.22502 

Wdc.dll  6.1.7601.22502  

Wvc.dll  6.1.7601.22502 

 

2870437 Connection times out when you use AlwaysOn availability group listener with MultiSubnetFailover parameter

Update(s):

Tdx.sys 6.1.7601.22382

 

2869302 FIX: Slow-link transitions fail in Windows 7 SP1 or Windows Server 2008 R2 SP1

Update(s):

Mrxsmb10.sys  6.1.7601.22377

 

Supersede(s):

2847018 The "Bytes Transmitted/sec" counter in Performance Monitor remains at zero when a file is copied from a computer to another computer that supports SMBv2

Update(s):

Mrxsmb.sys  6.1.7601.22318 

 

2863374 The BITS bandwidth limitation transitions are not applied to the ongoing transfers in Windows 7 Service Pack 1 or Windows Server 2008 R2 Service Pack 1

Update(s):

Qmgr.dll  7.5.7601.22365

 

2834548 Event ID 15 is logged when you wake a Windows 7 SP1-based or Windows Server 2008 R2 SP1-based computer from sleep mode

Update(s):

Tpm.sys  6.1.7601.18118 

Tpm.sys  6.1.7601.22289 

 

2831013 User receives SMB change notifications from a subfolder that the user does not have permission to access in Windows 7 SP1 or Windows Server 2008 R2 SP1

Update(s):

Srv.sys  6.1.7601.18403 

Srv.sys  6.1.7601.22608  

Srv2.sys  6.1.7601.18403  

Srv2.sys  6.1.7601.22608 

 

2799406 Poor performance when you use MSXML6.0 in Windows Server 2008 R2 SP1 or in a 64-bit version of Windows 7 SP1

Update(s):

Msxml6.dll  6.30.7601.22208  

Msxml6r.dll  6.30.7600.16385 

 

2797918 Volume Shadow Copy Service freezes when you take a hardware snapshot in Windows 7 or Windows Server 2008 R2

Update(s):

Vssvc.exe  6.1.7600.21421  

Vssvc.exe  6.1.7601.22214 

 

2778834 File becomes corrupted when you try to overwrite the file while it is opened by another user on a computer that is running Windows 7 or Windows Server 2008 R2

Update(s):

Mrxsmb20.sys  6.1.7600.17157 

Mrxsmb20.sys  6.1.7600.21360  

Mrxsmb20.sys  6.1.7601.17988  

Mrxsmb20.sys  6.1.7601.22149 

2775511 An enterprise hotfix rollup is available for Windows 7 SP1 and Windows Server 2008 R2 SP1
http://support.microsoft.com/?id=2775511

After this update is installed, you must install update 2732673 to fix a regression issue in the Rdbss.sys file and Profsvc.dll file. To do this, install updates:

2732673 "Delayed write failed" error message when .pst files are stored on a network file server that is running Windows Server 2008 R2
http://support.microsoft.com/?id=2732673

and

2728738 You experience a long logon time when you try to log on to a Windows 7-based or a Windows Server 2008 R2-based client computer that uses roaming profiles
http://support.microsoft.com/?id=2728738

2755105   WLAN AutoConfig service cannot identify which networks are available and connects to a network randomly on a computer that is running Windows 7 SP1 or Windows Server 2008 R2 SP1
http://support.microsoft.com/?id=2755105
Update(s):
Wlansm.dll

2751389   Logon or logoff process is slow on a computer that is running Windows 7 SP1 or Windows Server 2008 R2 SP1 in a WAN environment
http://support.microsoft.com/?id=2751389
Update(s):
Profprov.dll
Profsvc.dll

2750841   An IPv6 readiness update is available for Windows 7 and for Windows Server 2008 R2
http://support.microsoft.com/?id=2750841
Update(s):
Ncsi.dll
Nlaapi.dll
Nlasvc.dll
Tcpip.sys

2743978   "13808" error code when a VPN connection intermittently fails on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2743978
Update(s):
Bfe.dll
Fwpuclnt
Ikeext.dll
Nshwfp.dll

2739674   You cannot connect to remote computers by using the SMB protocol on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2739674
Update(s):
Mrxsmb.sys
Mrxsmb20.sys

2738141   DhcpRequestParams function does not retrieve configuration settings from a DHCP server in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2738141
Update(s):
Dhcpcore.dll

2736878   802.1X authentication fails after you connect a computer to a network in Windows 7 SP1 or Windows Server 2008 R2 SP1
http://support.microsoft.com/?id=2736878
Update(s):
Dot3svc.dll

2732618 High CPU usage on a file server that is running Windows 7 or Windows Server 2008 R2 with ABE enabled
http://support.microsoft.com/?id=2732618
Update(s):
Srv2.sys

2727324 Computer stops responding after you connect to an SMB version 1 server in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2727324
Update(s):
Mrxsmb10.sys

2725279 Autologon feature repeatedly tries to log on a user after the user's password changes on another computer in Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2725279
Update(s):
Authui.dll

2728738 You experience a long logon time when you try to log on to a Windows 7-based or a Windows Server 2008 R2-based client computer that uses roaming profiles
http://support.microsoft.com/?id=2728738
Update(s):
Profprov.dll
Profsvc.dll
Profsvc.ptxml
Userprofilewmiprovider.mof

2725279 Autologon feature repeatedly tries to log on a user after the user's password changes on another computer in Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2725279
Update(s):
Authui.dll
Authui.ptxml

2727324 Computer stops responding after you connect to an SMB version 1 server in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2727324
Update(s):
Mrxsmb10.sys

2714030              A new file that has the same file name as a ghost file can be created without displaying a prompt on a Windows 7-based or Windows Server 2008 R2-based client computer
http://support.microsoft.com/?id=2714030
Update(s):
csc.sys
cscapi.dll
cscdll.dll
cscmig.dll
cscsvc.dll

2715922 Home folder is not mapped to a client computer when multiple users are logged on to a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2715922
Update(s):
Rdbss.sys

2751389 Logon or logoff process is slow on a computer that is running Windows 7 SP1 or Windows Server 2008 R2 SP1 in a WAN environment
http://support.microsoft.com/?id=2751389
Update(s):
Profsvc.dll 6.1.7601.22106
Supersede( s):
2709630 Delay occurs when you log on to a domain from a computer that is running Windows 7 or Windows Server 2008 R2

2703610 "The file or folder does not exist" when renaming or saving to DFS share from a Windows 7 computer
http://support.microsoft.com/?id=2703610
Update(s):
Mrxsmb20.sys

2693010 Long logon time on a Windows 7-based or Windows Server 2008 R2-based client computer in a domain that uses Group Policy preferences to manage drive mappings
http://support.microsoft.com/?id=2693010
Update(s):
Gpprefcl.dll

2698279 Settings that are driven by a Netlogon GPO do not work as expected in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2698279
Update(s):
Netlogon.dll

2685893 Error messages after you change the 2047 character limit in an environment variable on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2685893
Update(s):
Shell32.dll
Sysdm.cpl

2689311 SMB commands run serially when the SMB packet signing feature is enabled in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2689311
Update(s):
Mrxsmb.sys 6.1.7601.17796

2682011              Server Manager in Windows Server 2012 does not retrieve performance data for computers that are running Windows Server 2008 or Windows Server 2008 R2
http://support.microsoft.com/kb/2682011
Update(s):
Advapi32.dll

2675785 Slow data transfer speed in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2675785
Update(s):
Fwpkclnt.sys
Tcpip.sys

2673042 You experience a long startup time or a long logon time when domain controllers are unavailable on a Windows 7-based or Windows Server 2008 R2-based domain member computer
http://support.microsoft.com/?id=2673042
Update(s):
Gpsvc.dll

2661001 "Please wait for Local Session Manager" message remains for several minutes when you disconnect from a computer that is running Windows Server 2008 R2 during the logon process
http://support.microsoft.com/?id=2661001
Update(s):
Rpcss.dll

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
Update(s):
Umrdp.dll

2645611 - Windows 7 or Windows Server 2008 R2 stops responding if you try to log on a computer that has multiple monitors
http://support.microsoft.com/?id=2645611
Update(s):
Win32k.sys 6.1.7601.21869

2640148 - Windows Explorer stops responding if you try to expand a mapped drive in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2640148
Update(s):   
Ntshrui.dll    6.1.7601.17718   
Ntshrui.dll    6.1.7601.21853   

2625434 - "ERROR_SHARING_VIOLATION" error message in Windows XP or in Windows Server 2003 when you try to open a file on an SMB share on a server that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2625434
Update(s):
Srv.sys 6.1.7601.21864

2617858 - Unexpectedly slow startup or logon process in Windows Server 2008 R2 or in Windows 7
http://support.microsoft.com/?id=2617858
Update(s):
Repdrvfs.dll 6.1.7601.21824

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/kb/2613988
Update(s):
Wmiperfclass.dll

2610379 - The Folder Redirection policy does not work if a previous user sets a redirected folder to an offline mode in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2610379
Update(s):
All new Client Side Caching

2582112 - Windows 7 or Windows Server 2008 R2 stops responding when an application performs many I/O operations to a network share
http://support.microsoft.com/?id=2582112
Update(s):
Umpo.dll 6.1.7601.21778

2581608 - Logon scripts take a long time to run in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2581608
Update(s):
Gpsvc.dll 6.1.7601.21830
Gpapi.dll 6.1.7601.21830

2580119 - The operating system cannot establish a secure channel after a failed deployment of Windows 7 or Windows Server 2008 R2 on client computers
http://support.microsoft.com/?id=2580119
Update(s):
Netlogon.dll 6.1.7601.21772

2561708 - Offline files synchronization may not finish on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2561708
Update(s):
Csc.sys 6.1.7601.21772
Cscmig.dll 6.1.7601.17514

2561285 - You experience a long domain logon time in Windows 7 or in Windows Server 2008 R2 after you deploy Group Policy preferences to the computer
http://support.microsoft.com/?id=2561285
Update(s):
Gpprefcl.dll 6.1.7601.21771

2555428 - The Windows 7 startup process is slow when you create many restore points
http://support.microsoft.com/?id=2555428
Update(s):
Rdyboost.sys 6.1.7601.17620
Sysmain.dll 6.1.7601.17620
Rdyboost.sys 6.1.7601.21732
Sysmain.dll 6.1.7601.21732

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
http://support.microsoft.com/?id=2547244
Update(s):
Wmiperfclass.dll 6.1.7601.21731
Wmiperfclass.mof
Wmiperfinst.mof

2537556              When you use a GPO for application deployment in Windows 7 or in Windows Server 2008 R2, the deployment fails or is delayed
http://support.microsoft.com/kb/2537556
Update(s):
Appmgmts.dll – 6.1.7601.21704 (LDR)

2525332 - You encounter a long logon time after you enable the "Do not automatically make redirected folders available offline" Group Policy setting in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2525332
Update(s):
Shell32.dll 6.1.7601.21687

2524478 - The network location profile changes from "Domain" to "Public" in Windows 7 or in Windows Server 2008 R2. This problem can affect Group Policy processing at boot time because NLA does not know what network profile to use.
http://support.microsoft.com/kb/2524478
Update(s):
Network Location Service

2523887 - You may encounter file corruption issues when you use the Offline Files feature to synchronize data in Windows 7 
http://support.microsoft.com/?id=2523887
Update(s):
Cscsvc.dll 6.1.7601.21731
Supersede(s):   
2466438 An error message is logged in Sync Center when the offline synchronization for a user’s home folder fails in Windows 7 or in Windows Server 2008 R2: "Object name not found"

2510636 - An update that improves the startup performance of Windows 7 and of Windows Server 2008 R2 is available
http://support.microsoft.com/?id=2510636
Update(s):
Svchost.exe 6.1.7601.17568
Svchost.exe 6.1.7601.21671

2505454 - The startup process is delayed on a computer that has a large hard disk installed and is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2505454
Update(s):
Volsnap.sys 6.1.7601.17567
Volsnap.sys 6.1.7601.21668

2505438 - Slow performances in applications that use the DirectWrite API on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2505438
Update(s):
D2d1.dll 6.1.7601.17563
Fntcache.dll 6.1.7601.17563
Dwrite.dll 6.1.7601.17563
D2d1.dll 6.1.7601.21664
Fntcache.dll 6.1.7601.21664
Dwrite.dll 6.1.7601.21664

2492806 - A Windows Vista-based, Windows Server 2008-based, and Windows 7-based or Windows Server 2008 R2-based computer that shares some files and some folders may not respond to file share requests
http://support.microsoft.com/?id=2492806
Update(s):
Srv.sys 6.1.7601.21657
Srv2.sys 6.1.7601.21657

2481614 Windows 7 may connect to a guest network instead of a corporate network
http://support.microsoft.com/kb/2481614
Update(s):
Dot3gpclnt.dll
Other hotfixes that might be useful:
========================

2764302 "0x0000001E" Stop error occurs intermittently in Windows 7 SP1 and Windows Server 2008 R2 SP1
http://support.microsoft.com/kb/2764302
Ntfs.sys – 6.1.7601.22123 (LDR)

2761645 Access Denied error message when a user tries to access a redirected folder share or a home drive share on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2761645
Cscsvc.dll – 6.1.7601.22131 (LDR)

2756999 Handle leak occurs on a COM client that is running on a Windows 7 or Windows Server 2008 R2 computer
http://support.microsoft.com/kb/2756999
Rpcss.dll – 6.1.7601.22118 (LDR)

2751383 All external drive devices are set to read-only unexpectedly after you set an embedded CD or DVD device to read-only in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2751383
Shell32.dll – 6.1.7601.22103 (LDR)

2748302 Stop error when you use a Citrix XenApp application in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2748302
Ntkrnlpa.exe/Ntoskrnl.exe – 6.1.7601.17946/22105 (GDR/LDR)

2735697 Computer crashes when you connect to a Citrix XenDesktop virtual machine in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2735697
Win32k.sys – 6.1.7601.17921/22078 (GDR/LDR)

2732597 0x80070091 error when you drag and drop a folder in a WebDAV shared folder in Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2732597
Webclnt.dll – 6.1.7601.22083 (LDR)

2732471 Data becomes corrupted when a storage miniport driver tries to copy data to RAM in Windows 7 and in Windows Server 2008 R2
http://support.microsoft.com/kb/2732471
Storport.sys – 6.1.7601.17956/22114 (GDR/LDR)

2727994 You cannot open or save Office 2010 documents on a WebDAV file server on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2727994
Davclnt.dll – 6.1.7601.22046 (LDR)

2727941 "0x00000050" Stop error when you create a volume snapshot in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2727941
Volsnap.sys – 6.1.7601.22054 (LDR)

2723248 Wrong user name is displayed in the Folder In Use dialog box when you try to open an Excel worksheet in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2723248
Mrxdav.sys – 6.1.7601.22046 (LDR)

2715922              Home folder is not mapped to a client computer when multiple users are logged on to a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2715922
Srvsvc.dll – 6.1.7601.21792 (LDR)

2714014                Folder Redirection feature does not synchronize a file in a redirected folder on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2714014
Rdbss.sys – 6.1.7601.22009 (LDR)

2647452              Paged pool leaks when you map a network drive and then disconnect it frequently in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2647452
Csc.sys/cscapi.dll/cscdll.dll/cscmig.dll/cscobj.dll – 6.1.7601.22085 (LDR)

2639077              Handle leak in Svchost.exe when a WMI query is triggered by using the Win32_PowerSettingCapabilities class in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2639077
Dfsc.sys – 6.1.7601.21864 (LDR)

2625434              "ERROR_SHARING_VIOLATION" error message in Windows XP or in Windows Server 2003 when you try to open a file on an SMB share on a server that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2625434
Umpo.dll – 6.1.7601.21853 (LDR)

2616386              Windows Explorer displays wrong access control entries for migrated user accounts in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2616386
Srv.sys – 6.1.7601.21864 (LDR)

2614892                A computer stops responding because of a deadlock situation in the Mountmgr.sys driver in running Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2614892
Advapi32.dll/Sechost.dll – 6.1.7601.17690/21817 (GDR/LDR)

2590550              The desktop does not load and only displays a black or blue background after you log on to a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2590550
Mountmgr.sys – 6.1.7601.21810 (LDR)

2579274              "0x0000007E" Stop error message when a connection is reset on a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/kb/2579274
Afd.sys – 6.1.7601.21792 (LDR)

2541014              Hibernation does not work or memory dump file is not created after you install Windows 7 or Windows Server 2008 R2 Service Pack 1
http://support.microsoft.com/kb/2541014
Diskdump.sys – 6.1.7601.17601/21710 (GDR/LDR)

2537549              Cannot deploy a printer by using a GPO if read-only domain controllers are exclusively used in the domain environment in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2537549
Gpprnext.dll – 6.1.7601.21730 (LDR)