XADM: Store Crash While Determining User Rights for a Folder

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Article ID: 304552 - View products that this article applies to.
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The Microsoft Exchange 2000 Information Store service stops unexpectedly with an access violation. A Drwtsn32.log file may be generated with an entry similar to the following:
The Microsoft Exchange 2000 Information Store 
State Dump for Thread Id 0xbf4

eax=00030003 ebx=00000000 ecx=000c1258 edx=00000000 esi=000c1258 edi=00030003
eip=62ff1248 esp=28d3f6e0 ebp=0fa055d8 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: MpHeapFree
        62ff1228 5d               pop     ebp
        62ff1229 b801000000       mov     eax,0x1
        62ff122e 5b               pop     ebx
        62ff122f c20800           ret     0x8
        62ff1232 8b4c2404         mov     ecx,[esp+0x4]          ss:2955ccb3=????????
        62ff1236 8b01             mov     eax,[ecx]              ds:000c1258=00030003
        62ff1238 3bc1             cmp     eax,ecx
        62ff123a 0f8428100000     je      ExchmemGetStatus+0x17 (62ff2268)
        62ff1240 8b150840ff62     mov     edx,[62ff4008]         ds:62ff4008=00000000
        62ff1246 85d2             test    edx,edx
FAULT ->62ff1248 8b00             mov     eax,[eax]              ds:00030003=????????
        62ff124a 7515             jnz     62ff9761
        62ff124c 85c0             test    eax,eax
        62ff124e 0f842e100000     je      ExchmemGetStatus+0x31 (62ff2282)
        62ff1254 817808ffeeffee                                  ds:0084d5d5=6e726574
                                  cmp     dword ptr [eax+0x8],0xeeffeeff
        62ff125b 0f8521100000     jne     ExchmemGetStatus+0x31 (62ff2282)
        62ff1261 833d0840ff6201   cmp   dword ptr [62ff4008],0x1 ds:62ff4008=00000000
        62ff1268 0f8433100000     je      ExchmemGetStatus+0x50 (62ff22a1)
        62ff126e 80e107           and     cl,0x7
        62ff1271 f6d9             neg     cl
        62ff1273 1bc9             sbb     ecx,ecx
        62ff1275 41               inc     ecx

*----> Stack Back Trace <----*

FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Function Name
0FA055D8 00481190 0FA055D8 00000001 00000026 00000000 exchmem!MpHeapFree 
004811B8 00403003 0040588E 0048381F 0048FE3A 0057BECA store!EcGetRightsOp+0x22b 
0048EE62 00000016 082444F6 56097401 F72CD4E8 04C483FF store!EcGetRights


Memory is being allocated within the information store process to preserve the Security ID (SID) of a user. The memory is later being freed improperly, resulting in the access violation.


A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. The English version of this fix should have the following file attributes or later:

Component: Information Store

Collapse this tableExpand this table
File nameVersion

NOTE: Due to file dependencies, this update requires Microsoft Exchange Server 2000 Service Pack 1.


Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.


Article ID: 304552 - Last Review: October 24, 2013 - Revision: 1.6
  • Microsoft Exchange 2000 Server Standard Edition
kbnosurvey kbarchive kbautohotfix kbhotfixserver kbbug kbexchange2000presp2fix kbfix kbqfe KB304552

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