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Using XPERF to capture ETL traces for Slow Logons

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Applies to:


Windows Server 2016

Note:  Also applies to Remote Desktop Servers (RDS)


Windows 10


Windows Server 2012 R2

Note:  Also applies to Remote Desktop Servers (RDS)


Windows 8.1


Windows Server 2012

Note:  Also applies to Remote Desktop Servers (RDS)


Windows 8.0


A common question that I get is:

How do you take a slow boot and slow logon etl trace on a non-persistent VDI?

The answer is, you can’t, you need to make it non-persistent, because the registry and files get wiped.


Ok, how about if you just want a slow logon etl trace?

The answer gets better, you can, but when using WPRUI or WPR, there are no pre-defined “Resource Analysis” or “Scenario Analysis” for different components (more specifically the providers) that are a part of the logon process.

The work-around would be to create a custom WPR (wprp) file.


In this scenario, we will go through using Xperf.exe since it will let us run in circular fashion until we stop it. (First-in-First-out (FIFO)).



1. Logon as an Administrator of the computer you want to trace (either a local admin or domain admin account that is a member of the local machine's administrator group will work).


2. Open an elevated command prompt and run this command from WPT Install directory (default: C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit): 



xperf -on base+latency+dispatcher+NetworkTrace+Registry+FileIO -stackWalk CSwitch+ReadyThread+ThreadCreate+Profile+ProcessCreate -f C:\temp\kernel.etl -BufferSize 1024 -MinBuffers 256 -MaxBuffers 256 -MaxFile 4096 -FileMode Circular -start UserTrace -on "Microsoft-Windows-Shell-Core+Microsoft-Windows-Wininit+Microsoft-Windows-Folder Redirection+Microsoft-Windows-User Profiles Service+Microsoft-Windows-GroupPolicy+Microsoft-Windows-Winlogon+Microsoft-Windows-Security-Kerberos+Microsoft-Windows-User Profiles General+e5ba83f6-07d0-46b1-8bc7-7e669a1d31dc+63b530f8-29c9-4880-a5b4-b8179096e7b8+2f07e2ee-15db-40f1-90ef-9d7ba282188a" -f C:\temp\user.etl -BufferSize 1024 -MinBuffers 128 -MaxBuffers 128 -MaxFile 1024 -FileMode Circular

Note:  Symbolic names for the following providers:

Microsoft-Windows-Security-Netlogon (e5ba83f6-07d0-46b1-8bc7-7e669a1d31dc )

Microsoft-Windows-NlaSvc (  63b530f8-29c9-4880-a5b4-b8179096e7b8 )

Microsoft-Windows-TCPIP (2f07e2ee-15db-40f1-90ef-9d7ba282188a )


Stop the trace shortly after the slow logon of interest has completed to avoid losing data.


3. Press CTRL+ALT+DEL followed by "Switch User"


4. Logon with the user account experiencing the slow user logon or slow logoff to reproduce the issue


5. Stop the trace



While logged on with the slow user account, open an elevated CMD prompt and type:   



xperf -stop UserTrace -d c:\temp\merged.etl


Close the slow logon user session and the admin logon session opened in step 2 as required.


Thanks,

Yong




Windows 10 Enterprise Edition: Burn Win10 ISO to a USB key when running w/ UEFI

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Posts in this blog are provided “AS IS” with no warranties, and confers no rights as specified in the Terms of Use.

Like everything in an Enterprise, they should be tested in a test environment before trying in a production system.


Applies to:

Windows 10 1709

Windows 10 1703


From time to time, when I’m on-site at a customer environment, I want to see if the problem encountered is specific to their image or environment.  To rule out the image, if possible, I like to install a ‘clean’ “Windows” and/or “Windows Server” and see if we observe the same issue.


If you were running a BIOS based system, you could use “Windows 7 USB DVD Download Tool” to burn an ISO to a USB key.

Windows USB/DVD Download Tool

https://www.microsoft.com/en-us/download/windows-usb-dvd-download-tool


or the Windows 10 “Media creation tool” from https://www.microsoft.com/en-us/software-download/windows10

But this tool was focused on the “Home edition” and “ Professional Edition”, which has a different file format “installx64.esd”.

https://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_install/the-problems-between-installwim-and-installesd-and/339846cc-d4e8-4f76-a31c-1d4d7bd21371

IT admin’s started running into problems when trying to use it (.ESD) for their MDT/OSD images.

There is this info:

Instructions: Create a bootable ISO file using ESD Image for Windows 10 Build 10041

https://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_install/instructions-create-a-bootable-iso-file-using-esd/d2768b51-221a-436e-af4e-d3b9118a8864?page=14

Note:  It’s a 3rd party tool, which is not supported by us (Microsoft).


On Windows 10 w/ UEFI firmware (and not BIOS, or UEFI w/ Legacy mode turned on), unfortunately, we are not able to use “Windows 7 USB DVD Download Tool” or the Create Windows 10 installation media.


Step 1: Preparing the USB key in this example, I had one that was 14.8GB in size.

Since the WIM file I'm creating (see Step 3) can be larger than 4 GB, the USB stick needs to be formatted near the maximum limit of FAT32. In a command prompt with administrative rights, do the following:

diskpart

List disk

Sel disk X: (where X: is your USB drive)

        WARNING:  "clean" will permanently erase the contents of your USB key!!

Clean


/*

convert gpt

        Note:  Doing this will not let you use “Active”
        You will get the following error message:
        /*
        The selected disk is not a fixed MBR disk.
        The ACTIVE command can only be used on fixed MBR disks.
        */

*/

Create Part Primary size=8192

select partition 1

Active

Format fs=fat32 quick Label=”Boot”

Assign letter=x

Create part primary

              Note:  In Windows 10 1607, you might see the following error:

No usable free extent could be found. It may be that there is insufficient free space to create a partition at the specified size and offset. Specify different size and offset values or don't specify either to create the maximum sized partition. It may be that the disk is partitioned using the MBR disk partitioning format and the disk contains either 4 primary partitions, (no more partitions may be created), or 3 primary partitions and one extended partition, (only logical drives may be created).

The work-around is to use Windows 10 1703 or Windows 10 1709 or higher.

select partition 2

Format fs=ntfs quick Label=”Deploy”

Assign letter=y

Exit

The above assumes that the "list disk" command showed you two disks, "Disk 0" being your internal hard disk and "Disk 1" being the USB stick. Your system might be different.

Your USB key is now ready to go.


Step 2: Making the USB key bootable.

Bootsect.exe /nt60 x:


Step 3: Creating the "Specialized WIM"

Mount the “Windows 10” ISO

e.g. “en_windows_10_multi-edition_vl_version_1709_updated_sept_2017_x64_dvd_100090741.iso”

            Note:  The Install.WIM was in 3.69 GB

clip_image002

In this example, it mounted to J: drive.

The WIM format introduced with Windows Vista is basically a container for one or more OS images. You can have a look into such a container by starting the DISM command prompt and entering the command ”dism /get-wiminfo /wimfile:"j:\sources\install.wim" (assuming J: is your ‘DVD’ drive). The output will look something like this (some output snipped):


dism /get-wiminfo /wimfile:"j:\sources\install.wim"



Deployment Image Servicing and Management tool

Version: 10.0.16299.0

Details for image : j:\sources\install.wim

Index : 1

Name : Windows 10 Education

Description : Windows 10 Education

Size : 15,746,232,078 bytes

Index : 2

Name : Windows 10 Education N

Description : Windows 10 Education N

Size : 14,680,347,363 bytes

Index : 3

Name : Windows 10 Enterprise

Description : Windows 10 Enterprise

Size : 15,767,542,709 bytes

Index : 4

Name : Windows 10 Enterprise N

Description : Windows 10 Enterprise N

Size : 14,700,067,622 bytes

Index : 5

Name : Windows 10 Pro

Description : Windows 10 Pro

Size : 15,746,963,891 bytes

Index : 6

Name : Windows 10 Pro N

Description : Windows 10 Pro N

Size : 14,681,060,059 bytes

The operation completed successfully.

As you can see in the partial output above, the WIM contains 6 images; I've included the more important parts of the first “Enterprise” image (Index:3).


Creating the actual WIM is now straightforward:

dism.exe /Export-Image /SourceImageFile:j:\sources\install.wim /SourceIndex:3 /DestinationImageFile:d:\temp\install.wim


Note:  The new install.wim is now 3.45 GB in size

3.69 GB- 3.45 GB=0.24 GB smaller.


Step 4: Copying the new WIM file to the USB key

All that remains to do is replacing the "install.wim" on your USB key with your customized one:

xcopy.exe d:\temp\*.* x:\ /s /e /H /F

xcopy.exe d:\temp\install.wim y:\sources

              Note:  If you don’t have the install.wim inside of the “Sources” folder, you will get the following error:

/*

Windows could not collect information for [OSImage] since the specified image file [install.wim] does not exist.

*/

Select "Yes" if prompted to overwrite the existing install.wim.

Conclusion

You should now be able to boot from the USB key (provided your computer's UEFI supports this and it has been enabled) and start installing away.

Additional information:

===================

Sample: Configure UEFI/GPT-Based Hard Drive Partitions by Using Windows PE and DiskPart

https://technet.microsoft.com/en-us/library/Hh825686.aspx

How to apply Task Sequence Prestaged Media on multi-partitioned disks for BIOS or UEFI PCs in System Center Configuration Manager

https://blogs.technet.microsoft.com/system_center_configuration_manager_operating_system_deployment_support_blog/2014/04/02/how-to-apply-task-sequence-prestaged-media-on-multi-partitioned-disks-for-bios-or-uefi-pcs-in-system-center-configuration-manager/#ManualUEFI

Windows 7 SP1 and Windows Server 2008 R2 Steps needed to capture Minifilter ETW traces

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Posts in this blog are provided “AS IS” with no warranties, and confers no rights as specified in the Terms of Use.

Like everything in an Enterprise, they should be tested in a test environment before trying in a production system.


Applies to:

Windows Server 2008 R2 SP1

Windows 7 SP1



As more security products are being installed to protect legacy OS’es such as “Windows 7 SP1” and “Windows Server 2008 R2 SP1”, IT Administrators have been troubleshooting slowness introduced by the kernel level filtering of Disk I/O and Network I/O.


Bob Golding (GES EE) wrote the following blog post:

Hotfix to Enable Mini-Filter Performance Diagnostics With XPerf for Windows Server 2008R2
https://blogs.technet.microsoft.com/supportingwindows/2012/05/31/hotfix-to-enable-mini-filter-performance-diagnostics-with-xperf-for-windows-server-2008r2/


Here is a summary of what’s needed.


1)  Windows 8.1 ADK or Windows 8.1 SDK

Note:  The Windows 10 ADK or Windows 10 SDK do not work with these legacy systems.


2)  Set the “DisablePagingExecutive” and set it to 1.

For more info:

WPT: WPR/Xperf: Capture high cpu, disk i/o, file, registry, networking, Private bytes, Virtual bytes, Paged Pool/Nonpaged pool and/or application slowness

https://blogs.technet.microsoft.com/yongrhee/2012/11/23/wpt-wprxperf-capture-high-cpu-disk-io-file-registry-networking-private-bytes-virtual-bytes-paged-poolnonpaged-pool-andor-application-slowness/

Note:  You might as well include into the image (WIM).


3)  You need to install:


2666390  A hotfix that lets you diagnose mini-filter-based performance issues in Windows Server 2008 R2 is available

https://support.microsoft.com/?id=2666390


Note:  You might as well include into the image (WIM).



Note:  Steps 2 and 3 require a reboot.


4)  You cannot use WPRUI.exe or WPR.exe to collect the MiniFilter data in the legacy OS’es such as Windows 7 SP1 or Windows Server 2008 R2 SP1.


Instead you will use:

xperf -on PROC_THREAD+LOADER+CSWITCH+FILENAME+FILE_IO+FILE_IO_INIT+DRIVERS+FLT_IO_INIT+FLT_IO+FLT_FASTIO+FLT_IO_FAILURE -f kernel.etl -stackwalk CSwitch+DiskReadInit+DiskWriteInit+DiskFlushInit+FileCreate+FileCleanup+FileClose+FileRead+FileWrite+MiniFilterPreOpInit+MiniFilterPostOpInit -BufferSize 1024 -MaxBuffers 512 -MaxFile 4096 -FileMode Circular


timeout.exe /t 60


xperf -stop -d c:\temp\%computername%_mergedtraceoutput.etl


Yong


More information:

816071 How to temporarily deactivate the kernel mode filter driver in Windows

https://support.microsoft.com/?id=816071

wuauclt /detectnow in Windows 10 and Windows Server 2016

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Applies to;

Windows Server 1709

Windows Server 2016

Windows 10


Administrators trying to use wuauclt /detectnow will notice that it doesn’t do anything.


In Windows 10, and Windows Server 2016 or newer, the command to scan “Windows Update” from the command line is:

CMD (Run As Admin)

c:\windows\system32\UsoClient.exe startscan


Yong

Reference:

Demystifying “Dual Scan”

https://blogs.technet.microsoft.com/wsus/2017/05/05/demystifying-dual-scan/

Keywords:  wuauclt.exe /detectnow

[Cross Post] Windows 10: Windows Update: Get-WindowsUpdateLog, no longer requires symbols to get a .log file.

[Cross Post] Windows Defender ATP now also supports macOS, Linux, iOS and Android devices

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Windows Defender Advanced Threat Protection (ATP) * (Post breach) now also supports macOS, Linux, iOS and Android devices.



For details:

Microsoft partners extend Windows Defender ATP across platforms

https://blogs.windows.com/business/2017/11/08/microsoft-partners-extend-windows-defender-atp-across-platforms/#fkArlTUBziOplC1V.97


Yong

More information:

*a part of the Windows Defender Suite and not to be confused with Windows Defender Antivirus.


What makes a part of the Windows Defender Suite?

Pre-breach

Windows Defender Antivirus (SCEP and Security Essentials replacement)


Windows Defender SmartScreen

Windows Defender Application Guard

Windows Defender Exploit Guard (EMET replacement)


Post-breach

Windows Defender Advanced Threat Protection

Windows 10 ADK/SDK WPT is not compatible w/ Windows 7 SP1 or Windows Server 2008 R2 SP1.

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Applies to:

Windows Server 2008 R2 SP1

Windows 7 SP1


One of the common questions regarding the analysis with Windows Performance Analyzer (WPA) is, we captured an ETL trace using the “Windows Performance Recorder” (WPR or WPRUI) and we are not able to load the symbols to view the functions (stackwalk).


Cause:

By design.  Our products are usually compatible n-2 revisions back.  In these cases, the IT Administrator downloaded or the Microsoft person sent a link to the “Windows 10 ADK” or “Windows 10 SDK”.

We had:  Windows 10/Windows Server 2016, Windows 8.1/Windows Server 2012 R2, Windows 8/Windows Server 2012.


When you load the .etl trace, you might see the following:

1

1A

You will see that there are no lost buffers and events.

2

Stackwalk was captured.

4

Another item that you will notice, for every single binary, the information will show up as “Unknown”.


Solution:

Install the Windows 8.1 ADK or the Windows 8.1 SDK.



WPT: Updated version of “Windows Performance Toolkit” 8.1 update from the ADK or SDK.

https://blogs.technet.microsoft.com/yongrhee/2014/05/28/wpt-updated-version-of-windows-performance-toolkit-8-1-update-from-the-adk-or-sdk/



WPT: Installing the Windows Performance Toolkit v5.0 (WPRUI, WPR, Xperf)
https://blogs.technet.microsoft.com/yongrhee/2012/11/23/wpt-installing-the-windows-performance-toolkit-v5-0-wprui-wpr-xperf/


WPT: WPR/Xperf: Capture high cpu, disk i/o, file, registry, networking, Private bytes, Virtual bytes, Paged Pool/Nonpaged pool and/or application slowness.

https://blogs.technet.microsoft.com/yongrhee/2012/11/23/wpt-wprxperf-capture-high-cpu-disk-io-file-registry-networking-private-bytes-virtual-bytes-paged-poolnonpaged-pool-andor-application-slowness/

Note:  You could still use the latest WPA to analyze the .ETL trace from a legacy OS such as “Windows 7 SP1” and/or “Windows Server 2008 R2 SP1”.

Yong

Windows 10 1703+/Windows Server 1709: The many svchost’s are finally split on their own.

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Applies to:

Windows Server 1709

Windows 10 1709

Windows 10 1703


Many years ago, I had written about:

How to troubleshoot Service Host (svchost.exe) related problems?

https://blogs.technet.microsoft.com/yongrhee/2012/06/28/how-to-troubleshoot-service-host-svchost-exe-related-problems/



The good news is that starting with Windows 10 1703 and Windows Server 1709, we have split the svchost’s back to the Windows NT 4.0 days.  Ok, not exactly like Windows NT 4.0, where the services were named individually instead of being inside a “Service Host” (svchost.exe).  Now, each service runs on its own if you have more than  3.41 GB (3486 MB) of RAM.


So how does it help you?  If you have one service that is going bad, it doesn’t impact the other service that was living on the same svchost.exe process.


For more info:

Changes to Service Host grouping in Windows 10

https://docs.microsoft.com/en-us/windows/application-management/svchost-service-refactoring


Tip of the Day: SvcHost Service Refactoring in Windows 10 v1703

https://blogs.technet.microsoft.com/tip_of_the_day/2017/06/28/tip-of-the-day-svchost-service-refactoring-in-windows-10-v1703/

Yong


[Cross-Post] Microsoft Edge now available in iOS and Android

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Applies to:

Microsoft Edge for iOS

Microsoft Edge for Android


Get that seamless Microsoft Edge browser experience from your Windows 10 device when on your mobile device.

The RTM of Microsoft Edge browser for iOS and Android is documented here:

Microsoft Edge now available for iOS and Android

https://blogs.windows.com/windowsexperience/2017/11/30/microsoft-edge-now-available-for-ios-and-android/#l8IFJp5UgRvXPb6F.97

Yong

keywords:  Internet Explorer for iOS, Internet Explorer for Android, Internet Explorer 11 for iOS, Internet Explorer 11 for Android, IE for iOS, IE for Android, IE11 for iOS, IE11 for Android.

[Cross-Post] Windows 10: File Associations (e.g. .PDF) best practices

Sysinternals ProcDump now available for Linux

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Hi all,

You guys might have seen that .Net Framework was open sourced and ported to Linux.

Now, if you are writing .Net Framework (C#, etc…) related code and wanted to troubleshoot the memory leaks, hangs, high cpu, etc…, now you can using Microsoft Sysinternals ProcDump for Linux.

Thanks to Mario Hewardt (Principal Premier Field Engineer (Principal PFE)), John Salem and Javid Habib in our Microsoft Services – Modern Application domain.

http://github.com/microsoft/procdump-for-linux

Yong

Reference(s):

.NET Core is Open Source

https://blogs.msdn.microsoft.com/dotnet/2014/11/12/net-core-is-open-source/


CoreCLR is now Open Source

https://blogs.msdn.microsoft.com/dotnet/2015/02/03/coreclr-is-now-open-source/


PowerShell is open sourced and is available on Linux

https://azure.microsoft.com/en-us/blog/powershell-is-open-sourced-and-is-available-on-linux/

MDOP hotfixes (AGPM 4.0 SP3, App-V 5.1, MBAM 2.5 SP1, UE-V 2.1 SP1)

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Published:  Dec. 2017.


Applies to:

AGPM 4.0 Service Pack 3 (SP3)

App-V 5.1

MBAM 2.5 Service Pack 1 (SP1)

UE-V 2.1


MDOP hotfixes


4041137 September 2017 servicing release for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=4041137

              Note:  No new updates for AGPM


4018510 June 2017 servicing release for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=4018510

              Note:  No new updates for AGPM


This servicing release fixes the following issue:

•The difference report erroneously shows a difference for identical settings.

Source:

4014009 March 2017 servicing release for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=4014009


3198158 December 2016 servicing release for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=3198158

              Note:  No new updates for AGPM


For AGPM 4.0 SP3, this servicing release fixes the following issue:

Provides a mechanism to override the default behavior of removing GPO permissions changes. (For more information, see Changes to Group Policy object permissions through AGPM are ignored (KB3174540).)

Source:

3168628 September 2016 servicing release for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=3168628


3155806 June 2016 servicing release for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=3155806

              Note:  No new updates for AGPM


3144445 April 2016 hotfix rollup for Microsoft Desktop Optimization Pack

https://support.microsoft.com/?id=3144445

              Note:  No new updates for AGPM


"If you have been using AGPM SP3 since it’s release you might have run into the issue where AGPM could not generate Difference reports for controlled GPOs."

Source:

3127165 Hotfix Package 1 for Microsoft Advanced Group Policy Management 4.0 SP3

https://support.microsoft.com/?id=3127165


Yong

Windows Server 2008 R2 SP1 DFSR related hotfixes

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Published:  Dec. 2017.


Applies to:

Windows Server 2008 R2 SP1


3002288 DFSR service freezes when it calls a method on a Windows-based server

https://support.microsoft.com/?id=3002288

Update(s):

Dfsrprovs.mfl

Dfsrprovs.mof

Dfsrress.dll 6.1.7601.17514

Dfsrs.exe 6.1.7601.22842

Supersede(s):

2996911 DFSR stops replication after a dirty shutdown in Windows 7 or Windows Server 2008 R2

https://support.microsoft.com/?id=2996911

2884176          Large backlogs on Windows -based DFSR servers

https://support.microsoft.com/?id=2884176

2735759          WMI freezes on a computer that is running Windows 7 or Windows Server 2008 R2

https://support.microsoft.com/?id=2735759

2725170          Initial synchronization does not replicate updated files to read-only replicas in a Windows Server 2008 R2 environment

https://support.microsoft.com/?id=2725170

2678241          DFS Replication service crashes when you perform a backup operation on a computer that is running Windows Server 2008 R2

https://support.microsoft.com/?id=2678241

2663685          Changes that are not replicated to a downstream server are lost on the upstream server after an automatic recovery process occurs in a DFS Replication environment in Windows Server 2008 R2

https://support.microsoft.com/?id=2663685

2604201          Handle count of the DFSR service keeps increasing in Windows Server 2008 R2

https://support.microsoft.com/?id=2604201


2907094 High CPU usage after members are added to the DFSR replication group

https://support.microsoft.com/?id=2907094

Update(s):

Wldap32.dll 6.1.7601.22498


2851868          "0x0000003B" Stop error when you use the DFSR service on a Windows Server 2008 R2-based computer

https://support.microsoft.com/?id=2851868

Update(s):

Dfsrro.sys 6.1.7601.22335


2791372 You cannot edit GPO and the Registry.pol file is not replicated when locked in Windows Server 2008 R2 or Windows Server 2012

https://support.microsoft.com/?id=2791372

You should review the registry key information in the KB article above.

HKLM\Software\Policies\Microsoft\Windows\System

GroupPolicyForceCloseSysvolFileHandle (DWORD)  1 (Hex)

Update(s):

Gpapi.dll 6.1.7601.22244 

Gpsvc.dll 6.1.7601.22244

Gpapi.dll 6.1.7601.22244


2780453          Event ID 4114 and Event ID 4008 are logged in the DFS Replication log in Windows Server 2008 R2

https://support.microsoft.com/?id=2780453

Update(s):

Dfsmgmt.resources.dll 6.1.7600.21376

Dfsmgmt.dll 6.1.7600.21376 

Dfsmgmt.dll 6.1.7601.22167


2663685          Changes that are not replicated to a downstream server are lost on the upstream server after an automatic recovery process occurs in a DFS Replication environment in Windows Server 2008 R2

https://support.microsoft.com/?id=2663685

You should review the registry key information in the KB article above.

HKLM\System\CurrentControlSet\Services\DFSR\Parameters\StopReplicationOnAutoRecovery

StopReplicationOnAutoRecovery (DWORD)  1 (Hex)


975763 DFS Replication does not use Remote Differential Compression (RDC) when replicating very large files on a computer that is running Windows Server 2008 R2

https://support.microsoft.com/?id=975763

You should review the registry key information in the KB article above.

HKLM\SYSTEM\CurrentControlSet\Services\DFSR\Parameters\Settings

RpcContextHandleTimeoutMs (DWORD) 14400000 (Dec)

List of AppLocker hotfixes post SP1 for Windows 7 SP1 and Windows Server 2008 R2 SP1

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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/ Jump for the latest version of the different files.

Note 2:  These may 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/ Jump 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 AppLocker related hotfixes post SP1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 as of Sep. 2015.



3083992 Microsoft security advisory: Update to improve AppLocker certificate handling: September 8, 2015

https://support.microsoft.com/?id=3083992


Update(s):

Adtschema.dll    6.1.7601.23153

Adtschema.dll.mui    6.1.7601.23153

Apisetschema.dll    6.1.7601.23153

Appid.sys    6.1.7601.18950

Appid.sys    6.1.7601.23153

Appidapi.dll    6.1.7601.18950

Appidapi.dll    6.1.7601.23153

Appidcertstorecheck.exe    6.1.7601.18950

Appidcertstorecheck.exe    6.1.7601.23153

Appidpolicyconverter.exe    6.1.7601.18950

Appidpolicyconverter.exe    6.1.7601.23153

Appid-ppdlic.xrm-ms   

Appid-ppdlic.xrm-ms   

Appidsvc.dll    6.1.7601.18950

Appidsvc.dll    6.1.7601.23153

Auditpol.exe    6.1.7601.23153

Auditpol.exe.mui    6.1.7601.23153

Ci.dll    6.1.7601.18519

Ci.dll    6.1.7601.22730

Ci.dll.mui    6.1.7601.18950

Ci.dll.mui    6.1.7601.23153

Cng.sys    6.1.7601.22946

Credssp.dll    6.1.7601.23153

Cryptbase.dll    6.1.7601.23153

Csrsrv.dll    6.1.7601.23153

Driver.stl   

Driver.stl   

Kerberos.dll    6.1.7601.23153

Ksecdd.sys    6.1.7601.23153

Ksecpkg.sys    6.1.7601.23153

Lsasrv.dll    6.1.7601.23153

Lsasrv.dll.mui    6.1.7601.23153

Lsasrv.mof   

Lsass.exe    6.1.7601.23153

Mrxsmb.sys    6.1.7601.23153

Mrxsmb10.sys    6.1.7601.23153

Mrxsmb20.sys    6.1.7601.23153

Msaudite.dll    6.1.7601.23153

Msaudite.dll.mui    6.1.7601.23153

Msobjs.dll    6.1.7601.23153

Msobjs.dll.mui    6.1.7601.23153

Msv1_0.dll    6.1.7601.23153

Ncrypt.dll    6.1.7601.23153

Ntdll.dll    6.1.7601.23153

Ntkrnlpa.exe    6.1.7601.23153

Ntoskrnl.exe    6.1.7601.23153

Rpchttp.dll    6.1.7601.23153

Rpcrt4.dll    6.1.7601.23153

Rstrui.exe    6.1.7601.23153

Schannel.dll    6.1.7601.23153

Secur32.dll    6.1.7601.23153

Setbcdlocale.dll    6.1.7601.18950

Setbcdlocale.dll    6.1.7601.23153

Setbcdlocale.dll    6.1.7601.18950

Setbcdlocale.dll    6.1.7601.23153

Smss.exe    6.1.7601.23153

Srclient.dll    6.1.7601.23153

Srcore.dll    6.1.7601.23153

Sspisrv.dll    6.1.7601.23153

Tspkg.dll    6.1.7601.23153

Tspkg.mof   

Wdigest.dll    6.1.7601.23153

Winload.exe    6.1.7601.18649

Winload.exe    6.1.7601.23003

Winload.exe.mui    6.1.7601.18950

Winload.exe.mui    6.1.7601.23153

Winresume.exe    6.1.7601.18519

Winresume.exe    6.1.7601.23003

Winresume.exe    6.1.7601.18950

Winresume.exe    6.1.7601.23153

Winresume.exe.mui    6.1.7601.18950

Winresume.exe.mui    6.1.7601.23153

Winresume.exe.mui    6.1.7601.18950

Winresume.exe.mui    6.1.7601.23153

Winresume.exe.mui    6.1.7601.18950

Winresume.exe.mui    6.1.7601.23153

Winresume.exe.mui    6.1.7601.18950

Winresume.exe.mui    6.1.7601.23153


3008790 "Rules cannot be created for the following files" error message in AppLocker when you try to select certain files

https://support.microsoft.com/?id=3008790

<Not a hotfix>


2894252 Process that runs in Untrusted integrity level is reported as an AppContainer after you install KB2532445 in Windows 7 SP1 and Windows Server 2008 R2 SP1

https://support.microsoft.com/?id=2894252

Update(s):

Apisetschema.dll    6.1.7601.22469

Apisetschema.dll    6.1.7601.22469

Appid.sys    6.1.7601.22469

Appidapi.dll    6.1.7601.22469

Appidcertstorecheck.exe    6.1.7601.22469

Appidpolicyconverter.exe    6.1.7601.22469

Appid-ppdlic.xrm-ms   

Appidsvc.dll    6.1.7601.22469

Csrsrv.dll    6.1.7601.22469

Ntdll.dll    6.1.7601.22469

Ntkrnlpa.exe    6.1.7601.22469

Ntoskrnl.exe    6.1.7601.22469

Smss.exe    6.1.7601.22469

Smss.exe    6.1.7601.22469


2862565 AppLocker blocks administrators and other high privileged group’s users from executing files on a Windows 7 SP1-based or Windows Server 2008 R2 SP1-based computer

https://support.microsoft.com/?id=2862565

Update(s):

Apisetschema.dll    6.1.7601.22382

Appid-ppdlic.xrm-ms   

Appid.sys    6.1.7601.22382

Appidapi.dll    6.1.7601.22382

Appidcertstorecheck.exe    6.1.7601.22382

Appidpolicyconverter.exe    6.1.7601.22382

Appidsvc.dll    6.1.7601.22382

Csrsrv.dll    6.1.7601.22382

Ntkrnlpa.exe    6.1.7601.22382

Ntoskrnl.exe    6.1.7601.22382

Smss.exe    6.1.7601.22382


2768362 You cannot open Office documents in Protected View if an AppLocker policy restricts the use of Office 2010

https://support.microsoft.com/?id=2768362


2750770 "This app has been blocked by your system administrator" error when you to start Microsoft Store apps

https://support.microsoft.com/?id=2750770

<Not a hotfix>


2749690 "0x800700C1: not a valid Win32 application" error when you create an AppLocker hash rule for a file in Windows 8, Windows Server 2012, Windows 7, or Windows Server 2008 R2

https://support.microsoft.com/?id=2749690

<Not a hotfix>


2659440 AppLocker path condition does not work when a file name contains international characters in Windows 7 or in Windows Server 2008 R2

https://support.microsoft.com/?id=2659440

Update(s):

Appid-ppdlic.xrm-ms   

Appid.sys    6.1.7601.21915

Appidpolicyconverter.exe    6.1.7601.21915

Appidsvc.dll    6.1.7601.21915

Ntkrnlpa.exe    6.1.7601.21915

Ntoskrnl.exe    6.1.7601.21915


2568071 Nested Windows Installer (MSI) package failes to install when Applocker policy is enabled

https://support.microsoft.com/?id=2568071

<Not a hotfix>


2568041 You cannot access allowed applications that are managed by AppLocker in Windows 7 or in Windows Server 2008 R2

https://support.microsoft.com/?id=2568041

Update(s):

Appid.sys    6.1.7600.21010

Appid.sys    6.1.7601.17514

Appidapi.dll    6.1.7600.16385

Appidapi.dll    6.1.7600.16385

Appidcertstorecheck.exe    6.1.7600.16385

Appidcertstorecheck.exe    6.1.7600.16385

Appidpolicyconverter.exe    6.1.7600.21010

Appidpolicyconverter.exe    6.1.7601.21772

Appid-ppdlic.xrm-ms   

Appid-ppdlic.xrm-ms   

Appidsvc.dll    6.1.7600.21010

Appidsvc.dll    6.1.7601.21772


2532445 You can circumvent AppLocker rules by using an Office macro on a computer that is running Windows 7 or Windows Server 2008 R2

https://support.microsoft.com/?id=2532445

Update(s):

Api-ms-win-core-console-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-console-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-datetime-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-datetime-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-debug-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-debug-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-delayload-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-delayload-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-errorhandling-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-errorhandling-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-fibers-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-fibers-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-file-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-file-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-handle-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-handle-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-heap-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-heap-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-interlocked-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-interlocked-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-io-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-io-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-libraryloader-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-libraryloader-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-localization-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-localization-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-localregistry-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-localregistry-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-memory-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-memory-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-misc-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-misc-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-namedpipe-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-namedpipe-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-processenvironment-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-processenvironment-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-processthreads-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-processthreads-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-profile-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-profile-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-rtlsupport-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-rtlsupport-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-string-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-string-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-synch-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-synch-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-sysinfo-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-sysinfo-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-threadpool-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-threadpool-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-util-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-util-l1-1-0.dll    6.1.7601.21798

Api-ms-win-core-xstate-l1-1-0.dll    6.1.7600.21035

Api-ms-win-core-xstate-l1-1-0.dll    6.1.7601.21798

Api-ms-win-security-base-l1-1-0.dll    6.1.7600.21035

Api-ms-win-security-base-l1-1-0.dll    6.1.7601.21798

Appid.sys    6.1.7600.21035

Appid.sys    6.1.7601.21798

Appidapi.dll    6.1.7600.16385

Appidapi.dll    6.1.7600.16385

Appidcertstorecheck.exe    6.1.7600.16385

Appidcertstorecheck.exe    6.1.7600.16385

Appidpolicyconverter.exe    6.1.7600.21035

Appidpolicyconverter.exe    6.1.7601.21798

Appid-ppdlic.xrm-ms   

Appid-ppdlic.xrm-ms   

Appidsvc.dll    6.1.7600.21035

Appidsvc.dll    6.1.7601.21798

Conhost.exe    6.1.7600.21035

Conhost.exe    6.1.7601.21798

Kernel32.dll    6.1.7600.21035

Kernel32.dll    6.1.7601.21798

Kernelbase.dll    6.1.7600.21035

Kernelbase.dll    6.1.7601.21798

Ntkrnlpa.exe    6.1.7600.21035

Ntkrnlpa.exe    6.1.7601.21798

Ntoskrnl.exe    6.1.7600.21035

Ntoskrnl.exe    6.1.7601.21798

Winsrv.dll    6.1.7600.21035

Winsrv.dll    6.1.7601.21798


983551 Windows 7 or Windows Server 2008 R2 stops responding at the "Please wait" screen before you are requested to press Ctrl+ALT+DEL

https://support.microsoft.com/?id=983551

Appid.sys    6.1.7600.20710

Appidapi.dll    6.1.7600.16385

Appidcertstorecheck.exe    6.1.7600.16385

Appidpolicyconverter.exe    6.1.7600.20710

Appid-ppdlic.xrm-ms   

Appidsvc.dll    6.1.7600.16385


976922 The "Run only allowed Windows applications" Group Policy setting displays no entries

https://support.microsoft.com/?id=976922

<Not a hotfix>

Windows 10 1511 (a.k.a. Windows 10 November of 2015): Servicing Stack Update

$
0
0


Applies to:

Windows 10 1511 (a.k.a. Windows 10 November of 2015)

For the Windows Update based security hotfixes and hotfixes to install properly, you need to make sure that you have the latest “Servicing Stack Update” for your corresponding O.S.  Here are a list for the O.S. on the applies to section.

4035632 Servicing stack update for Windows 10 Version 1511: August 8, 2017

https://support.microsoft.com/?id=4035632

Supersede(s):

3173428 Servicing stack update for Windows 10 Version 1511: July 12, 2016

https://support.microsoft.com/?id=3173428

3149135 Servicing stack update for Windows 10 Version 1511: June 14, 2016

https://support.microsoft.com/?id=3149135

3140741Servicing stack update for Windows 10 Version 1511: March 22, 2016

https://support.microsoft.com/?id=3140741

3139907 Servicing stack update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4: March 1, 2016

https://support.microsoft.com/?id=3139907

Yong


Windows 10 1607 and Windows Server 2016: Servicing Stack Update

$
0
0


Applies to:

Windows Server 2016

Windows 10 1607 (a.k.a. Windows 10 Anniversary edition)

For the Windows Update based security hotfixes and hotfixes to install properly, you need to make sure that you have the latest “Servicing Stack Update” for your corresponding O.S.  Here are a list for the O.S. on the applies to section.

4049065 Servicing stack update for Windows 10 Version 1607 and Windows Server 2016: November 14, 2017

https://support.microsoft.com/?id=4049065

Supersede(s):

4035631 Servicing stack update for Windows 10 Version 1607 and Windows Server 2016: August 8, 2017

https://support.microsoft.com/?id=4035631

3199209 Servicing stack update for Windows 10 Version 1607: October 18, 2016

https://support.microsoft.com/?id=3199209

3173423 Servicing stack update for Windows Server 2016 Technical Preview 5: July 13, 2016

https://support.microsoft.com/?id=3173423

Yong

Windows 10 1703 (a.k.a. Windows 10 Creators update): Servicing Stack Update

$
0
0

Applies to:

Windows 10 1703 (a.k.a. Windows 10 Creators update)

For the Windows Update based security hotfixes and hotfixes to install properly, you need to make sure that you have the latest “Servicing Stack Update” for your corresponding O.S.  Here are a list for the O.S. on the applies to section.

4049011 Servicing stack update for Windows 10 Version 1703: November 14, 2017

https://support.microsoft.com/?id=4049011

Supersede(s):

4022405 Servicing stack update for Windows 10 Version 1703: June 13, 2017

https://support.microsoft.com/?id=4022405

Yong

List of Windows Update related hotfixes post SP1 for Windows 7 SP1 and Windows Server 2008 R2 SP1

$
0
0

Applies to:

Windows Server 2008 R2 SP1

Windows 7 SP1


Since the following KB articles and Technet articles haven’t been updated:

949104 How to update the Windows Update Agent to the latest version

https://support.microsoft.com/?id=949104

946928 Information for network administrators about how to obtain the latest Windows Update Agent

https://support.microsoft.com/?id=946928

How to Check the Windows Update Agent Version on Clients

https://technet.microsoft.com/en-us/library/bb680319.aspx


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

Note 2:  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 3:  Carefully review the list and decide which might be applicable to your unique environment.

Note 4:  Test in your test and your quality assurance environment.


3138612 Windows Update Client for Windows 7 and Windows Server 2008 R2: March 2016

https://support.microsoft.com/?id=3138612

Supersede(s):

3135445 Windows Update Client for Windows 7 and Windows Server 2008 R2: February 2016

https://support.microsoft.com/?id=3135445

3112343 Windows Update Client for Windows 7 and Windows Server 2008 R2: December 2015

https://support.microsoft.com/?id=3112343

3083710 Windows Update Client for Windows 7 and Windows Server 2008 R2: October 2015

https://support.microsoft.com/?id=3083710

3075851 Windows Update Client for Windows 7 and Windows Server 2008 R2: August 2015

https://support.microsoft.com/?id=3075851

3065987 Windows Update Client for Windows 7 and Windows Server 2008 R2: July 2015

https://support.microsoft.com/?id=3065987

3050265 Windows Update Client for Windows 7: June 2015

https://support.microsoft.com/?id=3050265

2990214 Update that enables you to upgrade from Windows 7 to a later version of Windows

https://support.microsoft.com/?id=2990214

Yong

P.S.  More Windows Update related articles:



How to download a Windows update manually

973135 https://support.microsoft.com/?id=973135

946413 You receive error code 0x80244001 when you try to update the computer by visiting the Microsoft Update Web site or the Windows Update Web site

https://support.microsoft.com/?id=946413

555974How to re-register Windows client/server in WSUS

https://support.microsoft.com/?id=555974

971058 How do I reset Windows Update components?

https://support.microsoft.com/?id=971058

883821 883821 You may receive an error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site

https://support.microsoft.com/?id=883821

956708 Error message when you try to install updates by using the Windows Update or Microsoft Update Web site: "0x80004002"

https://support.microsoft.com/?id=956708

How to re-register the .dll's

326253 Error message when you check for updates on the Windows Update site: "0X800A138F: There are no updates available at this time"

https://support.microsoft.com/?id=326253

555989 Windows Update Not Working.

https://support.microsoft.com/?id=555989

883821 You may receive an error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site

https://support.microsoft.com/?id=883821

2700567 Windows Update freezes when you install updates in Windows 8, Windows 7, or Windows Vista

https://support.microsoft.com/?id=2700567

List of Windows Update related hotfixes post RTM for Windows 8 and Windows Server 2012

$
0
0

Applies to:

Windows Server 2012

Windows 8

Since the following KB articles and Technet articles haven’t been updated:

949104 How to update the Windows Update Agent to the latest version

https://support.microsoft.com/?id=949104

946928 Information for network administrators about how to obtain the latest Windows Update Agent

https://support.microsoft.com/?id=946928

How to Check the Windows Update Agent Version on Clients

https://technet.microsoft.com/en-us/library/bb680319.aspx

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

Note 2:  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 3:  Carefully review the list and decide which might be applicable to your unique environment.

Note 4:  Test in your test and your quality assurance environment.

2996851 Windows Server 2012 or Windows 8 always connects to Windows Update Internet locations in a WSUS environment

https://support.microsoft.com/?id=2996851

Supersede(s):

2889784 Windows RT, Windows 8, and Windows Server 2012 update rollup: November 2013

https://support.microsoft.com/?id=2889784

2871389 Update is available that prepares Windows 8 and Windows RT-based computers for the update to Windows 8.1 and Windows 8.1 RT

https://support.microsoft.com/?id=2871389

2845533 Windows RT, Windows 8, and Windows Server 2012 update rollup: June 2013

https://support.microsoft.com/?id=2845533

2822241 Windows 8 and Windows Server 2012 update rollup: April 2013

https://support.microsoft.com/?id=2822241

2808380 Windows RT-based device cannot download software updates or Windows Store apps

https://support.microsoft.com/?id=2808380

2791465 File information for update 2779768

https://support.microsoft.com/?id=2791465

2782531 File information for update 2770917

https://support.microsoft.com/?id=2782531

2771075 File information for update 2756872

https://support.microsoft.com/?id=2771075

Yong

P.S.  More Windows Update related articles:



How to download a Windows update manually

973135 https://support.microsoft.com/?id=973135

946413 You receive error code 0x80244001 when you try to update the computer by visiting the Microsoft Update Web site or the Windows Update Web site

https://support.microsoft.com/?id=946413

555974How to re-register Windows client/server in WSUS

https://support.microsoft.com/?id=555974

971058 How do I reset Windows Update components?

https://support.microsoft.com/?id=971058

883821 883821 You may receive an error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site

https://support.microsoft.com/?id=883821

956708 Error message when you try to install updates by using the Windows Update or Microsoft Update Web site: "0x80004002"

https://support.microsoft.com/?id=956708

How to re-register the .dll's

326253 Error message when you check for updates on the Windows Update site: "0X800A138F: There are no updates available at this time"

https://support.microsoft.com/?id=326253

555989 Windows Update Not Working.

https://support.microsoft.com/?id=555989

883821 You may receive an error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site

https://support.microsoft.com/?id=883821

2700567 Windows Update freezes when you install updates in Windows 8, Windows 7, or Windows Vista

https://support.microsoft.com/?id=2700567

List of Windows Update related hotfixes post RTM for Windows 8.1 and Windows Server 2012 R2

$
0
0

Applies to:

Windows Server 2012 R2

Windows 8.1

Since the following KB articles and Technet articles haven’t been updated:

949104 How to update the Windows Update Agent to the latest version

https://support.microsoft.com/?id=949104

946928 Information for network administrators about how to obtain the latest Windows Update Agent

https://support.microsoft.com/?id=946928

How to Check the Windows Update Agent Version on Clients

https://technet.microsoft.com/en-us/library/bb680319.aspx

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

Note 2:  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 3:  Carefully review the list and decide which might be applicable to your unique environment.

Note 4:  Test in your test and your quality assurance environment.

3138615 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: March 2016

https://support.microsoft.com/?id=3138615

Supersede(s):

3135449 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: February 2016

https://support.microsoft.com/?id=3135449

3112336 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: December 2015

https://support.microsoft.com/?id=3112336

3102812 Installing and searching for updates is slow and high CPU usage occurs in Windows 8.1 and Windows Server 2012 R2

https://support.microsoft.com/?id=3102812

3083711 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: October 2015

https://support.microsoft.com/?id=3083711

3083325 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: September 2015

https://support.microsoft.com/?id=3083325

3072318 Update for Windows 8.1 OOBE to upgrade to Windows 10

https://support.microsoft.com/?id=3072318

3075853 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: August 2015

https://support.microsoft.com/?id=3075853

3050267 Windows Update Client for Windows 8.1: June 2015

https://support.microsoft.com/?id=3050267

3044374 Update that enables you to upgrade from Windows 8.1 to Windows 10

https://support.microsoft.com/?id=3044374

3008188 November 2014 Windows Update client improvements in Windows 8.1 or Windows Server 2012 R2

https://support.microsoft.com/?id=3008188

Yong



P.S.  More Windows Update related articles:

How to download a Windows update manually

973135 https://support.microsoft.com/?id=973135

946413 You receive error code 0x80244001 when you try to update the computer by visiting the Microsoft Update Web site or the Windows Update Web site

https://support.microsoft.com/?id=946413

555974How to re-register Windows client/server in WSUS

https://support.microsoft.com/?id=555974

971058 How do I reset Windows Update components?

https://support.microsoft.com/?id=971058

883821 883821 You may receive an error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site

https://support.microsoft.com/?id=883821

956708 Error message when you try to install updates by using the Windows Update or Microsoft Update Web site: "0x80004002"

https://support.microsoft.com/?id=956708

326253 Error message when you check for updates on the Windows Update site: "0X800A138F: There are no updates available at this time"

https://support.microsoft.com/?id=326253

555989 Windows Update Not Working.

https://support.microsoft.com/?id=555989

883821 You may receive an error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site

https://support.microsoft.com/?id=883821

2700567 Windows Update freezes when you install updates in Windows 8, Windows 7, or Windows Vista

https://support.microsoft.com/?id=2700567

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