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Article ID: 2518874 - Last Review: April 15, 2011 - Revision: 3.0

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SYMPTOMS

On a computer that is running Windows Vista or Windows Server 2008, the Windows Event Log service might crash. Additionally, the following services that are in the same Svchost.exe process also crash:
  • Windows Audio
  • DHCP Client
  • TCP/IP NetBIOS Helper

CAUSE

This issue occurs because there is an invalid string in the Strings buffer when the ReportEventA function is called.

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 Web site:
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 one of the following operating systems:
  • Windows Vista Service Pack 1 (SP1)
  • Windows Vista Service Pack 2 (SP2)
  • Windows Server 2008
  • Windows Server 2008 Service Pack 2 (SP2)
For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:
935791  (http://support.microsoft.com/kb/935791/ ) How to obtain the latest Windows Vista service pack
For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849  (http://support.microsoft.com/kb/968849/ ) How to obtain the latest service pack for Windows Server 2008

Registry information

To use the hotfix in this package, 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

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 Vista and Windows Server 2008 file information notes
Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" 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.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 0 . 20xxxWindows VistaRTMLDR
    6.0.600 1 . 22xxxWindows Vista and Windows Server 2008SP1LDR
    6.0.600 2 . 22xxxWindows Vista and Windows Server 2008SP2LDR
  • Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxxx version number.
  • 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 and for Windows Vista" section. MUM files 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 x86-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Wevtsvc.dll6.0.6001.228681,015,29604-Mar-201114:36x86
Wevtsvc.dll6.0.6002.226021,020,41604-Mar-201118:28x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Wevtsvc.dll6.0.6001.228681,491,45604-Mar-201114:55x64
Wevtsvc.dll6.0.6002.226021,495,04004-Mar-201116:02x64
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Wevtsvc.dll6.0.6001.228682,700,80004-Mar-201114:32IA-64
Wevtsvc.dll6.0.6002.226022,706,94404-Mar-201115:30IA-64

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 the ReportEvent function, visit the following MSDN website:
General information about the ReportEvent function (http://msdn.microsoft.com/en-us/library/aa363679(VS.85).aspx)
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2499016  (http://support.microsoft.com/kb/2499016/ ) The Windows Event Log service may crash in Windows 7 or in Windows Server 2008 R2
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
896005  (http://support.microsoft.com/kb/896005/ ) Error message on a Windows Server 2003-based computer: "An access violation has occurred in Services.exe"
For more information about software update terminology, click the following article number to view 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

Additional file information for Windows Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot applicable
File size3,577
Date (UTC)04-Mar-2011
Time (UTC)21:21
PlatformNot applicable
File nameX86_07e94ec60a97cb5bd6d3943ce9207099_31bf3856ad364e35_6.0.6002.22602_none_07971bd004a0a276.manifest
File versionNot applicable
File size696
Date (UTC)04-Mar-2011
Time (UTC)21:21
PlatformNot applicable
File nameX86_c0cf884977f4823772755ab627b9f6f7_31bf3856ad364e35_6.0.6001.22868_none_aecc1f2bf83a932d.manifest
File versionNot applicable
File size696
Date (UTC)04-Mar-2011
Time (UTC)21:21
PlatformNot applicable
File nameX86_microsoft-windows-eventlog_31bf3856ad364e35_6.0.6001.22868_none_dd1528f72c202dbd.manifest
File versionNot applicable
File size47,715
Date (UTC)04-Mar-2011
Time (UTC)14:51
PlatformNot applicable
File nameX86_microsoft-windows-eventlog_31bf3856ad364e35_6.0.6002.22602_none_df367a91291b4058.manifest
File versionNot applicable
File size47,715
Date (UTC)04-Mar-2011
Time (UTC)19:19
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_56d05dfb007cb3e59cbb05adc95c1c01_31bf3856ad364e35_6.0.6001.22868_none_4b49b9308b34a1a2.manifest
File versionNot applicable
File size700
Date (UTC)04-Mar-2011
Time (UTC)21:22
PlatformNot applicable
File nameAmd64_c1f4495f4dba5249309364f111991fb7_31bf3856ad364e35_6.0.6002.22602_none_763f85e80a6779ee.manifest
File versionNot applicable
File size700
Date (UTC)04-Mar-2011
Time (UTC)21:22
PlatformNot applicable
File nameAmd64_microsoft-windows-eventlog_31bf3856ad364e35_6.0.6001.22868_none_3933c47ae47d9ef3.manifest
File versionNot applicable
File size47,983
Date (UTC)04-Mar-2011
Time (UTC)15:12
PlatformNot applicable
File nameAmd64_microsoft-windows-eventlog_31bf3856ad364e35_6.0.6002.22602_none_3b551614e178b18e.manifest
File versionNot applicable
File size47,983
Date (UTC)04-Mar-2011
Time (UTC)16:45
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size3,605
Date (UTC)04-Mar-2011
Time (UTC)21:22
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameIa64_0b804bcf5f9f0140488b137f71698a37_31bf3856ad364e35_6.0.6002.22602_none_85b30d12c4d8339c.manifest
File versionNot applicable
File size698
Date (UTC)04-Mar-2011
Time (UTC)21:21
PlatformNot applicable
File nameIa64_a09b8300de779bf66421c947bd4d4ec2_31bf3856ad364e35_6.0.6001.22868_none_d5545b44bf631f95.manifest
File versionNot applicable
File size698
Date (UTC)04-Mar-2011
Time (UTC)21:21
PlatformNot applicable
File nameIa64_microsoft-windows-eventlog_31bf3856ad364e35_6.0.6001.22868_none_dd16cced2c1e36b9.manifest
File versionNot applicable
File size47,973
Date (UTC)04-Mar-2011
Time (UTC)14:43
PlatformNot applicable
File nameIa64_microsoft-windows-eventlog_31bf3856ad364e35_6.0.6002.22602_none_df381e8729194954.manifest
File versionNot applicable
File size47,973
Date (UTC)04-Mar-2011
Time (UTC)16:14
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,758
Date (UTC)04-Mar-2011
Time (UTC)21:21
PlatformNot applicable

APPLIES TO
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Foundation
  • Windows Server 2008 Standard
  • Windows Server 2008 Standard without Hyper-V
  • Windows Web Server 2008
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Starter
  • Windows Vista Ultimate
  • Windows Vista Ultimate 64-bit Edition
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseadvanced kbsurveynew KB2518874
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