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Article ID: 2825036 - Last Review: June 12, 2013 - Revision: 1.0

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Symptoms

Consider the following scenario:
  • You use the Distributed File System Replication (DFSR) service in a Windows Server 2008 R2-based domain environment.
  • You have a Distributed File System (DFS) replication group in the domain environment.
  • You use the DFSR service to replicate files in the DFS replication group. The sizes of some files are large. For example, the size of a file is 10 gigabytes (GB).
In this scenario, the files that are large cannot be replicated.

Notes 
  • This issue typically occurs when the replication connection is opened and then closed frequently. This is caused by a scheduled replication job or unreliable network connectivity.
  • In the DFSR debug log, there are information that states the partial copy of the replicated file is saved and then dropped. For example, when the issue occurs, the following information is generated in the DFSR debug log: 
    20121031 08:32:17.168 2376 RDCX 882 [WARN] Rdc::SeedFile::Initialize (Ignored) Abandoning candidate file. 
    uid:{C5B5CBC3-EAFF-4C3B-9F5F-BC5C27EC44A8}-v103 gvsn:{C5B5CBC3-EAFF-4C3B-9F5F-BC5C27EC44A8}-v104 fileName:
    ri2k3-dc1.vhd csId:{A739B084-9C47-4514-97DB-D8E4344D6438} 
    Candidate(uid:{C5B5CBC3-EAFF-4C3B-9F5F-BC5C27EC44A8}-v103 
    gvsn:{C5B5CBC3-EAFF-4C3B-9F5F-BC5C27EC44A8}-v104 
    fileName:104-{C5B5CBC3-EAFF-4C3B-9F5F-BC5C27EC44A8}-v103-{C5B5CBC3-EAFF-4C3B-9F5F-BC5C27EC44A8}-v104-Partial.frx) 
    + [Error:9048(0x2358) StageReader::Serialize staging.cpp:529 2376 C The compressed data is invalid] 
    + [Error:9048(0x2358) Rdc::StagingClosure::Run rdc.cpp:3947 2376 C The compressed data is invalid] 
    + [Error:9048(0x2358) Rdc::Common::StageFile rdc.cpp:3574 2376 C The compressed data is invalid] 
    + [Error:9048(0x2358) StreamToIndex rdc.cpp:529 2376 C The compressed data is invalid] 
    + [Error:9048(0x2358) SignatureGenerator rdc.cpp:279 2376 C The compressed data is invalid] 
    + [Error:9048(0x2358) XpressUncompressReader::Read xpressstreams.cpp:1379 2376 C The compressed data is invalid] 
    + [Error:9048(0x2358) XpressUncompressReader::Read xpressstreams.cpp:1323 2376 C The compressed data is invalid]

Cause

This issue occurs because DFSR considers the partial copy of the replicated file as invalid. When a large file cannot be replicated in one session, DFSR saves a partial copy of the replicated file so that the replication process can continue from where it stopped. Given that the partial copy of the file is considered invalid by DFSR, DFSR has to re-start the replication process. However, the replication connection is never opened long enough for the replication process to be completed. Therefore, large files cannot be replicated.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running Windows Server 2008 R2 Service Pack 1 (SP1).

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to go to the article in the Microsoft Knowledge Base:
976932  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

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The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
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    VersionProductMilestoneService branch
    6.1.760 1.17xxxWindows Server 2008 R2SP1GDR
    6.1.760 1.22xxxWindows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Dfsrprovs.mofNot applicable75,76129-Mar-201307:32Not applicable
Dfsrress.dll6.1.7601.175142,04820-Nov-201012:57x64
Dfsrs.exe6.1.7601.222884,535,80829-Mar-201311:18x64
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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

For more information about software update terminology, click the following article number to go to the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

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Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2
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File nameAmd64_microsoft-windows-dfsr-core-serveronly_31bf3856ad364e35_6.1.7601.22288_none_fbf38684d7b9c678.manifest
File versionNot applicable
File size35,681
Date (UTC)31-Mar-2013
Time (UTC)17:28
PlatformNot applicable
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Applies to
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2825036
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