Microsoft KB Archive/196670

= XWEB: OWA Causes an Access Violation in MAPI =

Article ID: 196670

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q196670





SYMPTOMS
When you use Outlook Web Access on a separate computer to access the Microsoft Exchange Server computer, an access violation may occur. The access violation may result in a Dr.Watson error message being displayed with the following information in the Drwtsn32.log file:   Microsoft (R) Windows NT (TM) Version 4.00 DrWtsn32 Copyright (C) 1985-1996 Microsoft Corp. All rights reserved.

Application exception occurred: App: exe\inetinfo.dbg (pid=542) When: 10/20/1998 @ 9:46:4.78 Exception number: c0000005 (access violation) Below is the thread that caused the fault. Please note that the thread information below was seen on an Alpha platform, however the problem exists in both the x86 and Alpha builds of Outlook Web Access.   function: RtlpWaitForCriticalSection 77f1c4bc: a48421c0 ldq    t3,21c0(t3) 77f1c4c0: 20e72348 lda    t6,2348(t6) 77f1c4c4: 47ff0412 bis    zero,zero,a2 77f1c4c8: 449ff004 and    t3,#ff,t3 77f1c4cc: 44870492 cmoveq t3,t6,a2 77f1c4d0: 47e90410 bis    zero,s0,a0 77f1c4d4: 47f2040c bis    zero,a2,s3 77f1c4d8: f4c00001 bne    t5,77f1c4e0 RtlpWaitForCriticalSection+b0 77f1c4dc: d35fff7e bsr    ra,77f1c2d8 RtlSetCriticalSectionSpinCount+d8 77f1c4e0: a0290000 ldl    t0,0(s0) FAULT ->77f1c4e4: a0610010 ldl    t2,10(t0) 77f1c4e8: 40603003 addl   t2,#1,t2 77f1c4ec: b0610010 stl    t2,10(t0) 77f1c4f0: a0a90000 ldl    t4,0(s0) 77f1c4f4: 47ff0411 bis    zero,zero,a1 77f1c4f8: 47ec0412 bis    zero,s3,a2 77f1c4fc: a0e50014 ldl    t6,14(t4) 77f1c500: 40e03007 addl   t6,#1,t6 77f1c504: b0e50014 stl    t6,14(t4) 77f1c508: a2090010 ldl    a0,10(s0) 77f1c50c: d34044b0 bsr    ra,77f2d7d0  ZwWaitForSingleObject 77f1c510: 2020fefe lda    t0,-102(v0)

FramePtr RetAddr   Param1   Param2   Param3   Function Name 0328eda0 77f2c9e0  77f72110 00000000 00000000 NTDLL!RtlpWaitForCriticalSection 0328ee20 6fb21384  77f72110 00000000 00000000 NTDLL!RtlEnterCriticalSection 0328ee40 6fb210b8  77f72110 00000000 00000000 MAPI32!ScInitMapiX 0328ef50 6f09320c  77f72110 00000000 00000000 MAPI32!MAPIInitialize 0328ef70 6f08ec60  77f72110 00000000 00000000 CDO!CSession__M_ScLoadUserProfile 0328f600 6f08db04  77f72110 00000000 00000000 CDO!CSession__M_ScDo_Logon 0328f6d0 6f06db88  77f72110 00000000 00000000 CDO!CSession__V_HrInvoke 0328f6e0 6b616d08  77f72110 00000000 00000000 CDO!CDispatchObj__Invoke 0328f710 6b616d0c  77f72110 00000000 00000000 0x6b616d0c



CAUSE
During the release of a handle, Outlook Web Access may lose security context as a result of a messaging call, which eventually leads to an access violation in Inetinfo.exe.



RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For more information, please see the following article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: MAPI

  File Name    Version ---  Mapi32.dll   5.5.2446.0



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5.

Additional query words: exfclnfaq Drwtsn32 OWA

Keywords: kbqfe kbhotfixserver kbbug kbfix KB196670

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