Applies to:
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.
Ben Christenbury, fellow PFE’s and the Supportability Program Managers (SPM’s) created this list to optimize your Windows 7 SP1 experience. Enjoy.
List of Performance related hotfixes post SP1 for Windows 7 SP1 as of May. 2012 (Q2 2012):
Originally published Feb. of 2012.
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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"
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Article ID: 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
Hey YongRhee, thanks. You are doing a great job of posting these hotfixes. It's a pain searching the MS KB otherwise. Please continue doing so. :) There was once a hotfix blog (blogs.technet.com/.../hot) but it stopped posting new KBs.
Glad that is helpful.