Symptoms

After you start a Windows Server 2003-based computer, the computer may stop responding (hang). In this situation, many services cannot start. Additionally, you experience one or more of the following symptoms:

  • When you use a domain user account to log on to the computer, the logon process becomes unresponsive. Additionally, a gray screen appears after you enter your user name and password in the Windows logon dialog box.

  • A gray screen appears after the Windows logon screen saver closes.

  • Clients cannot connect to the computer by using Remote Desktop Connection.

These symptoms may disappear after you restart the computer.

When these symptoms occur, you can still perform the following operations:

  • When you use a local user account to log on to the computer, the logon process is successful.

  • When you ping this computer from another computer, you receive replies.

  • You can successfully access any file share on this computer.

Cause

This problem may occur because the Rpcrt4.dll module incorrectly manages mutex resources. Therefore, a deadlock condition may occur in some threads of the Lsass.exe process.

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 this specific problem. 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=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 have Windows Server 2003 Service Pack 1 or Windows Server 2003 Service Pack 2 installed on the computer. For more information, 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

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2003 with Service Pack 1, x86-based versions

File name

File version

File size

Date

Time

Platform

Rpcrt4.dll

5.2.3790.3036

643,584

30-Oct-2007

17:26

x86

Windows Server 2003 with Service Pack 2, x86-based versions

File name

File version

File size

Date

Time

Platform

Rpcrt4.dll

5.2.3790.4179

642,048

30-Oct-2007

20:58

x86

Windows Server 2003 with Service Pack 1, Itanium-based versions

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Rpcrt4.dll

5.2.3790.3036

2,464,256

30-Oct-2007

19:59

IA-64

SP1

Not Applicable

Wrpcrt4.dll

5.2.3790.3036

626,688

30-Oct-2007

20:00

x86

SP1

WOW

Windows Server 2003 with Service Pack 2, Itanium-based versions

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Rpcrt4.dll

5.2.3790.4179

2,470,912

30-Oct-2007

20:24

IA-64

SP2

Not Applicable

Wrpcrt4.dll

5.2.3790.4179

629,248

30-Oct-2007

20:25

x86

SP2

WOW

Windows Server 2003, x64-based versions

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Rpcrt4.dll

5.2.3790.3036

1,716,736

30-Oct-2007

19:58

x64

SP1

Not Applicable

Wrpcrt4.dll

5.2.3790.3036

626,688

30-Oct-2007

19:58

x86

SP1

WOW

Windows Server 2003 with Service Pack 2, x64-based versions

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Rpcrt4.dll

5.2.3790.4179

1,653,248

30-Oct-2007

20:29

x64

SP2

Not Applicable

Wrpcrt4.dll

5.2.3790.4179

629,248

30-Oct-2007

20:29

x86

SP2

WOW

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

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