Microsoft KB Archive/282958

= XADM: Information Store Stops Responding in store!EcCAIFromAI =

Article ID: 282958

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q282958





SYMPTOMS
The Exchange Server 5.5 information store may stop responding and an access violation may occur. The stack may look like the following stack:

 # ChildEBP RetAddr Args to Child 00 05f1f510 0042b0dd 038f8f64 03878fd8 00000000 store!EcCAIFromAI+0xa90 (FPO: [EBP 0x0373ae38] [4,79,4]) 01 05f1f54c 00402c24 00000000 0067fc40 0373ae98 store!OMSG__EcFlushXAI+0x72 (FPO: [EBP 0x00000000] [1,6,4]) 02 05f1f55c 0042a3d1 00000001 00000000 0373ae38 store!OMSG__EcFlushXAIs+0x18 03 05f1f5c4 004416b4 00000024 00000000 00000000 store!OMSG__EcFlushProps+0xc9 (FPO: [EBP 0x00000001] [4,21,4]) 04 05f1f660 00440ceb 00000000 00000000 05f1f694 store!OMSG__EcSaveChangesReally+0x27d (FPO: [EBP 0x0373ae38] [5,30,4]) 05 05f1f6d0 0051ce1e 00000000 00000041 00000000 store!OMSG__EcSaveChanges+0x2b9 (FPO: [EBP 0x0355aed8] [4,18,4]) 06 05f1f92c 00491a23 03561e38 03580f80 05f1fc1c store!EcAttachFromMDBEF+0x3fb (FPO: [EBP 0x0067fc40] [5,142,4]) 07 05f1fbc0 00490fac 03561e38 05f1fc1c 00000000 store!EcMessageFromMDBEF+0x732 (FPO: [EBP 0x00000000] [6,155,4]) 08 05f1fc08 0049127f 05f1fc98 020b2fd8 00000000 store!EcUnpackMDBEF+0x3c8 (FPO: [EBP 0x05f1fd38] [8,7,4]) 09 05f1fc48 005f5f0e 05f1fc98 00000001 02276f30 store!EcCreateMessage+0x23a (FPO: [EBP 0x00000000] [9,3,4]) 0a 05f1fdb4 004d3783 034c4bc0 034d6f50 020a0fe4 store!EcDeliverMessage+0x8c6 (FPO: [EBP 0x00000000] [6,77,4]) 0b 05f1ffa0 004df945 031ff664 77de2f59 05f1ffec store!FStartReceive+0x7f7 (FPO: [EBP 0x0000000a] [0,112,4]) 0c 05f1ffb8 77f04ede 00000000 031ff664 77de2f59 store!EcProcessTask+0x11c (FPO: [EBP 0x77de2f59] [0,1,4]) 0d 77de2f59 75ff561c 1075ff14 75ff006a 0875ff0c KERNEL32!BaseThreadStart+0x51 (FPO: [Non-Fpo])



CAUSE
This problem occurs because of an undersized buffer allocation.



RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Exchange Server version 5.5 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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

Component: Information store



STATUS
Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5.

Keywords: kbhotfixserver kbqfe kbbug kbexchange550presp5fix kbfix kbqfe KB282958

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