Microsoft KB Archive/315575

= DCOM Program Hangs After Server Reboot Creating DCOM Object =

Article ID: 315575

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows 98 Standard Edition
 * Microsoft Windows 98 Second Edition
 * Microsoft Windows Millennium Edition

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This article was previously published under Q315575



SYMPTOMS
A DCOM program (the client) that requests the creation of an object on a computer that is running any of the following operating systems may stop responding (hang):
 * Windows 98 Second Edition
 * Windows 98
 * Windows Millennium Edition



CAUSE
This problem can be caused by a bug in the processing of request in the RPC layer that may cause the server to incorrectly interpret that the unsecured bind request has already been processed.



RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

NOTE: The hotfix for Windows 98, Windows 98 Second Edition, and Windows Millennim Edition (Me) is available for download from the Microsoft Download Center.

Windows 98 and Windows 98 Second Edition
The following file is available for download from the Microsoft Download Center:

315575USA8.EXE

Release Date: April 17, 2002

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

Windows Millennium Edition (Me)
The following file is available for download from the Microsoft Download Center:

263816USAM.EXE

Release Date: June 30, 2002

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file. The English version of this fix should have the following file attributes or later:

  Date      Time   Version      Size    File name --  7-Feb-02  18:35  4.71.3400.0  20,240  Rpcltscm.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.



MORE INFORMATION
A network trace of the event shows that the client is sending a secured RPC bind request that is rejected by the server (because those versions of Windows do not support that type of binding). The client then sends a request for an unsecured RPC bind. The receipt of the unsecured RPC bind request packet is acknowledged by the server at the TCP layer, but the actual request is never acknowledged or rejected by the server at the application layer. The implementation of the DCOM client has a 100-hour timeout for the completion of the bind request, so this is what causes the program to hang.

For additional information about Windows 98 and Windows 98 Second Edition hotfixes, click the article number below to view the article in the Microsoft Knowledge Base:

206071 General Information on Windows 98 and SE Hotfixes

Keywords: kbhotfixserver kbqfe kbdownload kbenv kbfix kbprb kbqfe KB315575

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