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Current hotfixes for Windows 7 SP1 enterprise clients that have folder redirection enabled

Summary
This article lists the hotfixes that are currently available for Windows 7 clients that are used in a Active Directory environment that makes use of data centralization, including folder redirection, offline files and file server access.

In specific the components of relevance here are:
- CSC (Client Side Caching, Offline Files)
- DFSC (Distributed File System client)
- Shell
- Folder Redirection
- Group Policy Preferences

For other components (client and server) like Srv.sys, mrxsmb.sys, rdbss.sys, ntfs.sys, dfssvc.exe please refer to following up to date articles:

2473205: List of currently available hotfixes for the File Services technologies in Windows Server 2008 and in Windows Server 2008 R2
2899011: List of currently available hotfixes for the File Services technologies in Windows Server 2012 and in Windows Server 2012 R2
968429: List of currently available hotfixes for Distributed File System (DFS) technologies in Windows Server 2008 and in Windows Server 2008 R2


INTRODUCTION

This article contains a list of Microsoft Knowledge Base articles that describe the currently available fixes. Each section is divided into subsections for different component drivers: 
DFS Namespace, Offline Files, Shell, Folder Redirection and Group Policy Preferences.

Please note that the title of the latest fix might not represent the actual issue experienced, however LDR hotfixes do contain all previous fixes to that specific binary.

DFSN client component
Date addedKnowledge Base ArticleTitleWhy we recommend this hotfixHotfix type and availability
 10. Feb. 20152916627 and 3000482MS15-011: Vulnerability in Group Policy could allow remote code execution: February 10, 2015This hotfix contains the most current version of dfsc.sys(6.1.7601.22917)To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed and install both hotfixes.

Offline Files components
Date addedKnowledge Base ArticleTitleWhy we recommend this hotfixHotfix type and availability
 07/11/20143015999Stop Error 0x27 occurs when you try to move a folder on a network share from one place to anotherThis hotfix contains the most current version of csc.sys (6.1.7601.22863).To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed. Available for individual download.
 07/11/20143015999Stop Error 0x27 occurs when you try to move a folder on a network share from one place to anotherThis hotfix contains the most current version of cscsvc.dll (6.1.7601.22863).To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed. Available for individual download.
 23/01/20142831206DFS network path goes offline in Windows 7 or Windows Server 2008 R2 when Transparent Caching Group Policy setting is enabled
This hotfix contains the most current version of cscdll.dll and cscapi.dll.To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed. Available for individual download.
23/05/20142967567Cannot access DFS root when the DFS path is offline and you log on to a Windows-based computer for the first timeThis hotfix contains the most current version of cscui.dll.To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed. Available for individual download.


Shell component

Date addedKnowledge Base articleTitleWhy we recommend
 this hotfix
Hotfix type and availability
 09/05/20153009986A copy or move operation is unsuccessful if a symbolic link is included This hotfix contains the most current version of Shell32.dll.To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed. Available for individual download.


Folder Redirection (fdeploy.dll)

Currently this binary is the latest available in SP1 for Windows 7.

Group Policy Preferences
Date addedKnowledge Base articleTitleWhy we recommend
 this hotfix
Hotfix type and availability
 07/04/20142953722Drive Maps preferences are still displayed in Group Policy RSoP after they are removed or disabledThis hotfix contains the most current version of Gpprefcl.dll. (*)To apply this hotfix, you must have Windows 7 SP1, or Windows Server 2008 R2 SP1 installed. Available for individual download.
(*) There is a more recent version in the GDR branch available (security hotfix deployed through Windows Update). Please make sure that this hotfix AND all urgent/ critical fixes are installed. The version installed should be of a later date with version 6.1.7601.22xxx and NOT 6.1.7601.18xxx.

More information
Under some circumstances it might be necessary to reset the Offline Files database to reestablish the sync partnerships. These KB articles describe how to do this or you can run the reg.exe commandline to set the key followed by a reboot.


OSKnowledge Base articleReg.Exe command
Vista+934160REG ADD "HKLM\SYSTEM\CurrentControlSet\Services\Csc\Parameters" /v FormatDatabase /t REG_DWORD /d 1 /f
XP230738REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\NetCache" /v FormatDatabase /t REG_DWORD /d 1 /f

Folder redirection has the option to move content when the folder redirection target is changed.

This is pretty straight forward, except when moving between different names that are actually the same location – for example from netbios to FQDN name, or from server name to DFSN name.

To make sure that the move in these situations is successful following group policy has to be set:


Verify Old and New folder redirection targets point to the same share before redirecting under Windows Components\File Explorer (or Windows Explorer)


Next of course Offline Files is generally involved because the redirected folder target is by default made offline available.

When the path is changed FR copies the data to the new location which can cause significant delays and corresponding network traffic (especially links with higher latency or when many users are migrated at the same time).

The bandwidth usage for this can’t be controlled easily so an option is to copy the data on the backend to the new location with for example robocopy.

To make sure the minimum traffic is generated with the already copied data Folder Redirection will try to rename the data in the cache to the new location, rather than actually copying it. For this to work you must set following registry key (via GPO preferences for example) for the user.


HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ DWORD: FolderRedirectionEnableCacheRename: 1


This key always has to be set.


Other data that is made available offline through admin assigning or manually making offline available is NOT automatically moved/ renamed.


Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.
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Article ID: 2820927 - Last Review: 03/31/2016 14:35:00 - Revision: 25.0

Windows 7 Enterprise

  • KB2820927
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