Microsoft KB Archive/225094

= RPC Named Pipe Server Program Encounters Invalid Handle Exceptions =

Article ID: 225094

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q225094



SYMPTOMS
A program using the remote procedure call (RPC) named pipe server transport encounters an excessive amount of invalid handle exceptions when attempting to close a remote connection. The RPC program does not stop responding (hang) because of the structured exception handling surrounding the RPC call, but may affect performance and the logic of the server program.



CAUSE
This problem occurs because the Windows NT RPC Named Pipe Server transport is inadvertently receiving an RPC fault over the network. This fault is reported as an invalid handle because of a problem with identifying the client session.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:


 * http://www.microsoft.com/windows/servicepacks/ -or-


 * 152734 how to obtain the latest windows nt 4.0 service pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows NT version 4.0 Service Pack 5.



MORE INFORMATION
This problem may cause the Spooler service (Spoolss.exe) to encounter excessive invalid handle exceptions, which can be observed by running the process under a debugger. The exceptions negatively affect the service.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB225094

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