Microsoft KB Archive/166162

= XFOR: MACGATE Access Violation During Generation of Admin Msg =

Article ID: 166162

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q166162





SYMPTOMS
When processing a bad message, the Macintosh Gateway causes an access violation in Macgate.exe.



CAUSE
An improper argument is being passed to a heap deallocation routine.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange versions 4.0 and 5.0.

This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 4.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

This problem was corrected in the latest Microsoft Exchange Server 5.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K



MORE INFORMATION
The Drwtsn32.log may look similar to:   State Dump for Thread Id 0x177

Application exception occurred: App: macgate.DBG (pid=177) When: 3/27/1997 @ 10:58:16.609 Exception number: c0000005 (access violation)

eax=ffffffff ebx=00000000 ecx=77f3be08 edx=00140548 esi=00140000 edi=00d2f690 eip=77f64d9a esp=00d2f63c ebp=00d2f654 iopl=0        nv up ei pl zr na   po nc   cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000 efl=00000246

function: RtlFreeHeap 77f64d75 85db            test    ebx,ebx 77f64d77 0f85a1000000    jne     RtlFreeHeap+0x1ec (77f64e1e) 77f64d7d ffb6b8040000    push    dword ptr [esi+0x4b8] ds:001404b8=00140548 77f64d83 e8e8270000      call    RtlLeaveCriticalSection (77f67570) 77f64d88 e991000000      jmp     RtlFreeHeap+0x1ec (77f64e1e) 77f64d8d 83ef18          sub     edi,0x18 77f64d90 85db            test    ebx,ebx 77f64d92 897df8          mov     [ebp-0x8],edi ss:01c3e05a=???????? 77f64d95 8b0f            mov     ecx,[edi] ds:00d2f690=77f3be08 77f64d97 8b4704          mov     eax,[edi+0x4] ds:01c3e096=???????? FAULT ->77f64d9a 8908            mov     [eax],ecx ds:ffffffff=???????? 77f64d9c 894104          mov     [ecx+0x4],eax ds:78e4a80e=???????? 77f64d9f 750b            jnz     RtlFreeHeap+0x17a (77f64dac) 77f64da1 ffb6b8040000    push    dword ptr [esi+0x4b8] ds:001404b8=00140548 77f64da7 e8c4270000      call    RtlLeaveCriticalSection (77f67570) 77f64dac 6800800000      push    0x8000 77f64db1 8d45fc          lea     eax,[ebp-0x4] ss:01c3e05a=???????? 77f64db4 50              push    eax 77f64db5 8d4df8          lea     ecx,[ebp-0x8] ss:01c3e05a=???????? 77f64db8 c745fc00000000  mov    dword ptr [ebp-0x4],0x0 ss:01c3e05a=???????? 77f64dbf 51              push    ecx 77f64dc0 6aff            push    0xff

*> Stack Back Trace <*

FramePtr ReturnAd Param#1 Param#2  Param#3  Param#4  Function Name 00d2f654 77f02a81 00140000 00000000 00d2f6b0 77f13130 ntdll!RtlFreeHeap 00d2f698 00406715 00d2f6b0 77e77ea7 00000001 00143900 kernel32!LocalFree 00d2f710 00403181 80020bc2 80020bbe 00d2f748 00000000 macgate!GenerateAdminMsg 00d2f988 00403c70 00d2f9f0 00000000 00000001 0000ea60 macgate!LogBadFile 00d2fe70 00402852 00d2ffec 00000000 00000000 00000000 macgate!ProcessMactoPCMessages

Keywords: kbbug kbfix kbtshoot kbusage KB166162

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