Error message when many users log on to a Windows Server 2003-based terminal server through RDP connections: "Winlogon has encountered a problem and needs to close"

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Article ID: 953675 - View products that this article applies to.
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SYMPTOMS

When many users log on to a Windows Server 2003-based terminal server through remote desktop protocol (RDP) connections, they may receive the following error message on the client computers:
Winlogon has encountered a problem and needs to close.
Then, the following event is logged in the Application log of the client computers:

Event Type: Information
Event Source: Application Error
Event Category: (100)
Event ID: 1004
Date: Date
Time: Time
User: N/A
Computer: Computer Name
Description: Faulting application winlogon.exe, version 0.0.0.0, faulting module ntdll.dll, version 5.2.3790.3959, fault address address.

CAUSE

The Rasman.dll module incorrectly frees an invalid remote procedure call (RPC) binding handle. This occurs because of incorrect error handling in the RasRPCBind function.

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=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 install this hotfix, you must have Windows Server 2003 Service Pack 1 or Service Pack 2 installed on the computer.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other previously released hotfixes.

Registry information

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

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 SP1, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
Rasman.dll5.2.3790.314763,48830-May-200812:49x86
Windows Server 2003 with SP2, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
Rasman.dll5.2.3790.430263,48830-May-200812:36x86
Windows Server 2003 with SP1, Itanium-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Rasman.dll5.2.3790.3147175,10430-May-200810:35IA-64SP1Not Applicable
Wrasman.dll5.2.3790.314763,48830-May-200810:35x86SP1WOW
Windows Server 2003 with SP2, Itanium-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Rasman.dll5.2.3790.4302175,10430-May-200810:39IA-64SP2Not Applicable
Wrasman.dll5.2.3790.430263,48830-May-200810:39x86SP2WOW
Windows Server 2003, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Rasman.dll5.2.3790.314798,30430-May-200810:35x64SP1Not Applicable
Wrasman.dll5.2.3790.314763,48830-May-200810:35x86SP1WOW
Windows Server 2003 with SP2, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Rasman.dll5.2.3790.430298,30430-May-200810:46x64SP2Not Applicable
Wrasman.dll5.2.3790.430263,48830-May-200810:46x86SP2WOW

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, 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

Properties

Article ID: 953675 - Last Review: October 8, 2011 - Revision: 2.0
APPLIES TO
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
Keywords: 
kbautohotfix kbexpertiseadvanced kbfix kbqfe KB953675

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