Microsoft KB Archive/224600

= RPC Application Causes Access Violation When Dereferencing Freed Connection Under Stress =

Article ID: 224600

Article Last Modified on 9/4/2007

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q224600



SYMPTOMS
An application using the remote procedure call (RPC) transport, such as the Microsoft Exchange Server information store, may display an access violation error message. The error message is displayed because of a general protection fault that may occur when the Windows NT Remote Procedure Call Common Server Transport module is under stress.



CAUSE
The Remote Procedure Call Common Server Transport module can attempt to dereference a buffer within a connection that has already been freed under high stress conditions.



Windows NT Server or Workstation 4.0
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://support.microsoft.com/default.aspx?pr=ntw40 -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/default.aspx?scid=fh;EN-US;CNTACTMS

Windows NT Server 4.0, Terminal Server Edition
To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT Server version 4.0, Terminal Server Edition Service Pack 6.



MORE INFORMATION
If the correct Windows NT symbols are installed, the resulting Dr. Watson log may have a stack dump similar to the following sample dump: Application exception occurred:

App: exe\store.dbg (pid=334) When: 11/23/1998 @ 9:3:26.687 Exception number: c0000005 (access violation)

State Dump for Thread Id 0x26a

function: COMMON_ServerReceive 74fa42f7 7e4e            jle     COMMON_ServerReceive+0xc2 74fa42f9 6603f8          add     di,ax 74fa42fc 6683ff10        cmp     di,0x10 74fa4300 72d9            jb      COMMON_ServerReceive+0x56 FAULT ->74fa4302 f6430410        test    byte ptr [ebx+0x4],0x10 74fa4306 756b            jnz     COMMON_ServerReceive+0xee 74fa4308 8a4309          mov     al,[ebx+0x9] FramePtr ReturnAd Param#1 Param#2  Param#3  Param#4  Function Name 2350fef8 74fa2214 00218744 2350ff88 2350ff84 00000000 rpcltscm!COMMON_ServerReceive 2350ff2c 77e18c00 00169698 2350ff58 2350ff88 2350ff84 rpcltscm!COMMON_ServerReceiveAny 2350ff60 77e1a587 2350ff8c 2350ff88 2350ff84 16640528 rpcrt4!TRANS_ADDRESS::TransReceive 2350ff90 77e1ac1c 77e15eaf 001695b8 2350ffec 74fa426c rpcrt4!OSF_ADDRESS::ReceiveLotsaCalls
 * > Stack Back Trace <*

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB224600

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