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Symptoms

Consider the following scenario:

  • You join a multiprocessor computer that is running Windows Server 2003 or Windows Server 2008 to a domain.

  • You restart the computer.

In this scenario, the Net Logon service randomly does not start and generates the 3056 error code. Because of this problem, other services that rely on the Net Logon service also do not start.

Cause

This issue occurs because of a race condition in the Net Logon service. When the race condition occurs, the Net Logon service tries to open an event. Unfortunately, this event is deleted in another thread. Therefore, the Net Logon service does not start, and this generates the 3056 error code.

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=supportNote 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 2003 Service Pack (SP2) or Windows Server 2008 Service Pack 2 (SP2).

For more information about how to obtain a Windows Server 2003 service pack or a Windows XP Professional x64 Edition service pack, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

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 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 English (United States) 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 2003 file information notes
  • In addition to the files that are listed in these tables, this hotfix also installs an associated security catalog file (2288059.cat) that is signed with a Microsoft digital signature.

For all supported x86-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

Netlogon.dll

5.2.3790.4746

437,760

20-Jul-2010

04:41

x86

For all supported x64-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Netlogon.dll

5.2.3790.4746

690,688

20-Jul-2010

07:31

x64

SP2

Not Applicable

Wnetlogon.dll

5.2.3790.4746

437,760

20-Jul-2010

07:31

x86

SP2

WOW

For all supported IA-64-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Netlogon.dll

5.2.3790.4746

990,720

20-Jul-2010

07:31

IA-64

SP2

Not Applicable

Wnetlogon.dll

5.2.3790.4746

437,760

20-Jul-2010

07:31

x86

SP2

WOW

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.

    Version

    Product

    SR_Level

    Service branch

    6.0.600
    2.
    22xxx

    Windows Server 2008

    SP2

    LDR

  • 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" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. 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

File name

File version

File size

Date

Time

Platform

Netlogon.dll

6.0.6002.22490

592,896

17-Sep-2010

17:52

x86

Nlsvc.mof

Not Applicable

2,873

03-Apr-2009

21:24

Not Applicable

For all supported x64-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Netlogon.dll

6.0.6002.22490

717,312

17-Sep-2010

17:23

x64

Nlsvc.mof

Not Applicable

2,873

03-Apr-2009

20:58

Not Applicable

Netlogon.dll

6.0.6002.22490

592,896

17-Sep-2010

17:52

x86

Nlsvc.mof

Not Applicable

2,873

03-Apr-2009

21:24

Not Applicable

For all supported IA-64-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Netlogon.dll

6.0.6002.22490

1,217,024

17-Sep-2010

17:27

IA-64

Nlsvc.mof

Not Applicable

2,873

03-Apr-2009

20:59

Not Applicable

Netlogon.dll

6.0.6002.22490

592,896

17-Sep-2010

17:52

x86

Nlsvc.mof

Not Applicable

2,873

03-Apr-2009

21:24

Not Applicable

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 view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008

File name

Update.mum

File version

Not Applicable

File size

3,078

Date (UTC)

17-Sep-2010

Time (UTC)

23:36

Platform

Not Applicable

File name

X86_a9f899186db000be831a104aea41a681_31bf3856ad364e35_6.0.6002.22490_none_f57ff41a8ad8db6e.manifest

File version

Not Applicable

File size

705

Date (UTC)

17-Sep-2010

Time (UTC)

23:36

Platform

Not Applicable

File name

X86_microsoft-windows-security-netlogon_31bf3856ad364e35_6.0.6002.22490_none_ffc6820e4e86c7a8.manifest

File version

Not Applicable

File size

22,701

Date (UTC)

17-Sep-2010

Time (UTC)

18:17

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows Server 2008

File name

Amd64_a1915f1c7ccbb9374bd0e4e7658c8fac_31bf3856ad364e35_6.0.6002.22490_none_4a6780739a328a1a.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

17-Sep-2010

Time (UTC)

23:36

Platform

Not Applicable

File name

Amd64_microsoft-windows-security-netlogon_31bf3856ad364e35_6.0.6002.22490_none_5be51d9206e438de.manifest

File version

Not Applicable

File size

23,180

Date (UTC)

17-Sep-2010

Time (UTC)

17:46

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

3,102

Date (UTC)

17-Sep-2010

Time (UTC)

23:36

Platform

Not Applicable

File name

Wow64_microsoft-windows-security-netlogon_31bf3856ad364e35_6.0.6002.22490_none_6639c7e43b44fad9.manifest

File version

Not Applicable

File size

18,332

Date (UTC)

17-Sep-2010

Time (UTC)

18:02

Platform

Not Applicable

Additional files for all supported IA-64-based versions of Windows Server 2008

File name

Ia64_0ead95c9fd11c8afbc836c8c899bb2df_31bf3856ad364e35_6.0.6002.22490_none_91ae9378e011780a.manifest

File version

Not Applicable

File size

1,058

Date (UTC)

17-Sep-2010

Time (UTC)

23:36

Platform

Not Applicable

File name

Ia64_microsoft-windows-security-netlogon_31bf3856ad364e35_6.0.6002.22490_none_ffc826044e84d0a4.manifest

File version

Not Applicable

File size

23,156

Date (UTC)

17-Sep-2010

Time (UTC)

17:44

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

2,255

Date (UTC)

17-Sep-2010

Time (UTC)

23:36

Platform

Not Applicable

File name

Wow64_microsoft-windows-security-netlogon_31bf3856ad364e35_6.0.6002.22490_none_6639c7e43b44fad9.manifest

File version

Not Applicable

File size

18,332

Date (UTC)

17-Sep-2010

Time (UTC)

18:02

Platform

Not Applicable

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