Microsoft KB Archive/252345

= XADM: Information Store Stops with Access Violation in FEqCAI =

Article ID: 252345

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q252345





SYMPTOMS
The Exchange Server information store may unexpectedly stop responding and an access violation may occur.

When you view the call stack by using a debug utility, it may appear similar to the following call stack:   FramePtr  RetAddr   Param1   Param2   Param3   Function Name 1d4ff610 004273f8  153efff9 00000008 153c2369 0x780350a4 1d4ff610 00428360  153efff9 00000008 153c2369 STORE!FEqCAI+0x214 1d4ff660 00440588  153efff9 00000008 153c2369 STORE!OMSG::EcConfig+0xf3c 1d4ff7b0 00440300  153efff9 00000008 153c2369 STORE!EcCreateOMSG+0x19c 1d4ff820 00440878  153efff9 00000008 153c2369 STORE!EcOpenMessageOpX+0x100 1d4ff880 00408608  153efff9 00000008 153c2369 STORE!EcOpenMessage+0x210 1d4ff980 004080dc  153efff9 00000008 153c2369 STORE!EcRpc+0x4b8 1d4ffa60 77d13040  153efff9 00000008 153c2369 STORE!EcDoRpc+0x74 1d4ffa90 77d13044  153efff9 00000008 153c2369 0x77d13044



CAUSE
Exchange Server creates compressed addresses, and handles them as strings. The issue is caused by the way strings in the address of the mailbox and logon user object (distinguished name as based on X.500 directory name) are handled. This may cause the access violation.



RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191914 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The following files are available for download from the Microsoft Download Center:

x86: Download Q248838engi.exe now

Alpha: Download Q248838enga.exe now

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.



STATUS
Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbgraphxlinkcritical kbqfe KB252345

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